18961997392

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{189529}}^1$

素因数の和:189600

約数の個数: 60

約数和(自身を含む): 40857740220

約数和(自身を除く): 21895742828

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 169, 208, 296, 338, 481, 592, 676, 962, 1352, 1924, 2704, 3848, 6253, 7696, 12506, 25012, 50024, 100048, 189529, 379058, 758116, 1516232, 2463877, 3032464, 4927754, 7012573, 9855508, 14025146, 19711016, 28050292, 32030401, 39422032, 56100584, 64060802, 91163449, 112201168, 128121604, 182326898, 256243208, 364653796, 512486416, 729307592, 1185124837, 1458615184, 2370249674, 4740499348, 9480998696, 18961997392]

約数ペア:

[(1, 18961997392), (2, 9480998696), (4, 4740499348), (8, 2370249674), (13, 1458615184), (16, 1185124837), (26, 729307592), (37, 512486416), (52, 364653796), (74, 256243208), (104, 182326898), (148, 128121604), (169, 112201168), (208, 91163449), (296, 64060802), (338, 56100584), (481, 39422032), (592, 32030401), (676, 28050292), (962, 19711016), (1352, 14025146), (1924, 9855508), (2704, 7012573), (3848, 4927754), (6253, 3032464), (7696, 2463877), (12506, 1516232), (25012, 758116), (50024, 379058), (100048, 189529)]