18513768

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:216

約数の個数: 128

約数和(自身を含む): 58464000

約数和(自身を除く): 39950232

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 49, 52, 56, 78, 84, 91, 98, 104, 147, 156, 168, 173, 182, 196, 273, 294, 312, 343, 346, 364, 392, 519, 546, 588, 637, 686, 692, 728, 1029, 1038, 1092, 1176, 1211, 1274, 1372, 1384, 1911, 2058, 2076, 2184, 2249, 2422, 2548, 2744, 3633, 3822, 4116, 4152, 4459, 4498, 4844, 5096, 6747, 7266, 7644, 8232, 8477, 8918, 8996, 9688, 13377, 13494, 14532, 15288, 15743, 16954, 17836, 17992, 25431, 26754, 26988, 29064, 31486, 33908, 35672, 47229, 50862, 53508, 53976, 59339, 62972, 67816, 94458, 101724, 107016, 110201, 118678, 125944, 178017, 188916, 203448, 220402, 237356, 330603, 356034, 377832, 440804, 474712, 661206, 712068, 771407, 881608, 1322412, 1424136, 1542814, 2314221, 2644824, 3085628, 4628442, 6171256, 9256884, 18513768]

約数ペア:

[(1, 18513768), (2, 9256884), (3, 6171256), (4, 4628442), (6, 3085628), (7, 2644824), (8, 2314221), (12, 1542814), (13, 1424136), (14, 1322412), (21, 881608), (24, 771407), (26, 712068), (28, 661206), (39, 474712), (42, 440804), (49, 377832), (52, 356034), (56, 330603), (78, 237356), (84, 220402), (91, 203448), (98, 188916), (104, 178017), (147, 125944), (156, 118678), (168, 110201), (173, 107016), (182, 101724), (196, 94458), (273, 67816), (294, 62972), (312, 59339), (343, 53976), (346, 53508), (364, 50862), (392, 47229), (519, 35672), (546, 33908), (588, 31486), (637, 29064), (686, 26988), (692, 26754), (728, 25431), (1029, 17992), (1038, 17836), (1092, 16954), (1176, 15743), (1211, 15288), (1274, 14532), (1372, 13494), (1384, 13377), (1911, 9688), (2058, 8996), (2076, 8918), (2184, 8477), (2249, 8232), (2422, 7644), (2548, 7266), (2744, 6747), (3633, 5096), (3822, 4844), (4116, 4498), (4152, 4459)]