18964091568

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1\times {\mathrm{521}}^1$

素因数の和:971

約数の個数: 160

約数和(自身を含む): 51575270400

約数和(自身を除く): 32611178832

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 79, 87, 116, 158, 174, 232, 237, 316, 331, 348, 464, 474, 521, 632, 662, 696, 948, 993, 1042, 1264, 1324, 1392, 1563, 1896, 1986, 2084, 2291, 2648, 3126, 3792, 3972, 4168, 4582, 5296, 6252, 6873, 7944, 8336, 9164, 9599, 12504, 13746, 15109, 15888, 18328, 19198, 25008, 26149, 27492, 28797, 30218, 36656, 38396, 41159, 45327, 52298, 54984, 57594, 60436, 76792, 78447, 82318, 90654, 104596, 109968, 115188, 120872, 123477, 153584, 156894, 164636, 172451, 181308, 209192, 230376, 241744, 246954, 313788, 329272, 344902, 362616, 418384, 460752, 493908, 517353, 627576, 658544, 689804, 725232, 758321, 987816, 1034706, 1193611, 1255152, 1379608, 1516642, 1975632, 2069412, 2274963, 2387222, 2759216, 3033284, 3580833, 4138824, 4549926, 4774444, 5001079, 6066568, 7161666, 8277648, 9099852, 9548888, 10002158, 12133136, 13623629, 14323332, 15003237, 18199704, 19097776, 20004316, 27247258, 28646664, 30006474, 36399408, 40008632, 40870887, 54494516, 57293328, 60012948, 80017264, 81741774, 108989032, 120025896, 163483548, 217978064, 240051792, 326967096, 395085241, 653934192, 790170482, 1185255723, 1580340964, 2370511446, 3160681928, 4741022892, 6321363856, 9482045784, 18964091568]

約数ペア:

[(1, 18964091568), (2, 9482045784), (3, 6321363856), (4, 4741022892), (6, 3160681928), (8, 2370511446), (12, 1580340964), (16, 1185255723), (24, 790170482), (29, 653934192), (48, 395085241), (58, 326967096), (79, 240051792), (87, 217978064), (116, 163483548), (158, 120025896), (174, 108989032), (232, 81741774), (237, 80017264), (316, 60012948), (331, 57293328), (348, 54494516), (464, 40870887), (474, 40008632), (521, 36399408), (632, 30006474), (662, 28646664), (696, 27247258), (948, 20004316), (993, 19097776), (1042, 18199704), (1264, 15003237), (1324, 14323332), (1392, 13623629), (1563, 12133136), (1896, 10002158), (1986, 9548888), (2084, 9099852), (2291, 8277648), (2648, 7161666), (3126, 6066568), (3792, 5001079), (3972, 4774444), (4168, 4549926), (4582, 4138824), (5296, 3580833), (6252, 3033284), (6873, 2759216), (7944, 2387222), (8336, 2274963), (9164, 2069412), (9599, 1975632), (12504, 1516642), (13746, 1379608), (15109, 1255152), (15888, 1193611), (18328, 1034706), (19198, 987816), (25008, 758321), (26149, 725232), (27492, 689804), (28797, 658544), (30218, 627576), (36656, 517353), (38396, 493908), (41159, 460752), (45327, 418384), (52298, 362616), (54984, 344902), (57594, 329272), (60436, 313788), (76792, 246954), (78447, 241744), (82318, 230376), (90654, 209192), (104596, 181308), (109968, 172451), (115188, 164636), (120872, 156894), (123477, 153584)]