18679910288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{30851}}^1$

素因数の和:30984

約数の個数: 80

約数和(自身を含む): 40490658432

約数和(自身を除く): 21810748144

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 71, 82, 104, 142, 164, 208, 284, 328, 533, 568, 656, 923, 1066, 1136, 1846, 2132, 2911, 3692, 4264, 5822, 7384, 8528, 11644, 14768, 23288, 30851, 37843, 46576, 61702, 75686, 123404, 151372, 246808, 302744, 401063, 493616, 605488, 802126, 1264891, 1604252, 2190421, 2529782, 3208504, 4380842, 5059564, 6417008, 8761684, 10119128, 16443583, 17523368, 20238256, 28475473, 32887166, 35046736, 56950946, 65774332, 89807261, 113901892, 131548664, 179614522, 227803784, 263097328, 359229044, 455607568, 718458088, 1167494393, 1436916176, 2334988786, 4669977572, 9339955144, 18679910288]

約数ペア:

[(1, 18679910288), (2, 9339955144), (4, 4669977572), (8, 2334988786), (13, 1436916176), (16, 1167494393), (26, 718458088), (41, 455607568), (52, 359229044), (71, 263097328), (82, 227803784), (104, 179614522), (142, 131548664), (164, 113901892), (208, 89807261), (284, 65774332), (328, 56950946), (533, 35046736), (568, 32887166), (656, 28475473), (923, 20238256), (1066, 17523368), (1136, 16443583), (1846, 10119128), (2132, 8761684), (2911, 6417008), (3692, 5059564), (4264, 4380842), (5822, 3208504), (7384, 2529782), (8528, 2190421), (11644, 1604252), (14768, 1264891), (23288, 802126), (30851, 605488), (37843, 493616), (46576, 401063), (61702, 302744), (75686, 246808), (123404, 151372)]