18976514788

素因数分解:

$2^2\times 7^5\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{383}}^1$

素因数の和:500

約数の個数: 144

約数和(自身を含む): 43008344064

約数和(自身を除く): 24031829276

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 67, 77, 98, 134, 154, 196, 268, 308, 343, 383, 469, 539, 686, 737, 766, 938, 1078, 1372, 1474, 1532, 1876, 2156, 2401, 2681, 2948, 3283, 3773, 4213, 4802, 5159, 5362, 6566, 7546, 8426, 9604, 10318, 10724, 13132, 15092, 16807, 16852, 18767, 20636, 22981, 25661, 26411, 29491, 33614, 36113, 37534, 45962, 51322, 52822, 58982, 67228, 72226, 75068, 91924, 102644, 105644, 117964, 131369, 144452, 160867, 179627, 184877, 206437, 252791, 262738, 282271, 321734, 359254, 369754, 412874, 505582, 525476, 564542, 643468, 718508, 739508, 825748, 919583, 1011164, 1126069, 1129084, 1257389, 1445059, 1769537, 1839166, 1975897, 2252138, 2514778, 2890118, 3539074, 3678332, 3951794, 4504276, 5029556, 5780236, 6437081, 7078148, 7903588, 8801723, 10115413, 12386759, 12874162, 13831279, 17603446, 20230826, 24773518, 25748324, 27662558, 35206892, 40461652, 49547036, 55325116, 61612061, 70807891, 96818953, 123224122, 141615782, 193637906, 246448244, 283231564, 387275812, 431284427, 677732671, 862568854, 1355465342, 1725137708, 2710930684, 4744128697, 9488257394, 18976514788]

約数ペア:

[(1, 18976514788), (2, 9488257394), (4, 4744128697), (7, 2710930684), (11, 1725137708), (14, 1355465342), (22, 862568854), (28, 677732671), (44, 431284427), (49, 387275812), (67, 283231564), (77, 246448244), (98, 193637906), (134, 141615782), (154, 123224122), (196, 96818953), (268, 70807891), (308, 61612061), (343, 55325116), (383, 49547036), (469, 40461652), (539, 35206892), (686, 27662558), (737, 25748324), (766, 24773518), (938, 20230826), (1078, 17603446), (1372, 13831279), (1474, 12874162), (1532, 12386759), (1876, 10115413), (2156, 8801723), (2401, 7903588), (2681, 7078148), (2948, 6437081), (3283, 5780236), (3773, 5029556), (4213, 4504276), (4802, 3951794), (5159, 3678332), (5362, 3539074), (6566, 2890118), (7546, 2514778), (8426, 2252138), (9604, 1975897), (10318, 1839166), (10724, 1769537), (13132, 1445059), (15092, 1257389), (16807, 1129084), (16852, 1126069), (18767, 1011164), (20636, 919583), (22981, 825748), (25661, 739508), (26411, 718508), (29491, 643468), (33614, 564542), (36113, 525476), (37534, 505582), (45962, 412874), (51322, 369754), (52822, 359254), (58982, 321734), (67228, 282271), (72226, 262738), (75068, 252791), (91924, 206437), (102644, 184877), (105644, 179627), (117964, 160867), (131369, 144452)]