18740888974064

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{211}}^1\times {\mathrm{619}}^1\times {\mathrm{45523}}^1$

素因数の和:46558

約数の個数: 80

約数和(自身を含む): 36727794449280

約数和(自身を除く): 17986905475216

約数列:

[1, 2, 4, 8, 16, 197, 211, 394, 422, 619, 788, 844, 1238, 1576, 1688, 2476, 3152, 3376, 4952, 9904, 41567, 45523, 83134, 91046, 121943, 130609, 166268, 182092, 243886, 261218, 332536, 364184, 487772, 522436, 665072, 728368, 975544, 1044872, 1951088, 2089744, 8968031, 9605353, 17936062, 19210706, 25729973, 28178737, 35872124, 38421412, 51459946, 56357474, 71744248, 76842824, 102919892, 112714948, 143488496, 153685648, 205839784, 225429896, 411679568, 450859792, 1892254541, 3784509082, 5551211189, 5945713507, 7569018164, 11102422378, 11891427014, 15138036328, 22204844756, 23782854028, 30276072656, 44409689512, 47565708056, 88819379024, 95131416112, 1171305560879, 2342611121758, 4685222243516, 9370444487032, 18740888974064]

約数ペア:

[(1, 18740888974064), (2, 9370444487032), (4, 4685222243516), (8, 2342611121758), (16, 1171305560879), (197, 95131416112), (211, 88819379024), (394, 47565708056), (422, 44409689512), (619, 30276072656), (788, 23782854028), (844, 22204844756), (1238, 15138036328), (1576, 11891427014), (1688, 11102422378), (2476, 7569018164), (3152, 5945713507), (3376, 5551211189), (4952, 3784509082), (9904, 1892254541), (41567, 450859792), (45523, 411679568), (83134, 225429896), (91046, 205839784), (121943, 153685648), (130609, 143488496), (166268, 112714948), (182092, 102919892), (243886, 76842824), (261218, 71744248), (332536, 56357474), (364184, 51459946), (487772, 38421412), (522436, 35872124), (665072, 28178737), (728368, 25729973), (975544, 19210706), (1044872, 17936062), (1951088, 9605353), (2089744, 8968031)]