18778820528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1429}}^1\times {\mathrm{63179}}^1$

素因数の和:64629

約数の個数: 40

約数和(自身を含む): 39210771600

約数和(自身を除く): 20431951072

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1429, 2858, 5716, 11432, 18577, 22864, 37154, 63179, 74308, 126358, 148616, 252716, 297232, 505432, 821327, 1010864, 1642654, 3285308, 6570616, 13141232, 90282791, 180565582, 361131164, 722262328, 1173676283, 1444524656, 2347352566, 4694705132, 9389410264, 18778820528]

約数ペア:

[(1, 18778820528), (2, 9389410264), (4, 4694705132), (8, 2347352566), (13, 1444524656), (16, 1173676283), (26, 722262328), (52, 361131164), (104, 180565582), (208, 90282791), (1429, 13141232), (2858, 6570616), (5716, 3285308), (11432, 1642654), (18577, 1010864), (22864, 821327), (37154, 505432), (63179, 297232), (74308, 252716), (126358, 148616)]