18774688

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:305

約数の個数: 48

約数和(自身を含む): 38581704

約数和(自身を除く): 19807016

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 101, 148, 157, 202, 296, 314, 404, 592, 628, 808, 1184, 1256, 1616, 2512, 3232, 3737, 5024, 5809, 7474, 11618, 14948, 15857, 23236, 29896, 31714, 46472, 59792, 63428, 92944, 119584, 126856, 185888, 253712, 507424, 586709, 1173418, 2346836, 4693672, 9387344, 18774688]

約数ペア:

[(1, 18774688), (2, 9387344), (4, 4693672), (8, 2346836), (16, 1173418), (32, 586709), (37, 507424), (74, 253712), (101, 185888), (148, 126856), (157, 119584), (202, 92944), (296, 63428), (314, 59792), (404, 46472), (592, 31714), (628, 29896), (808, 23236), (1184, 15857), (1256, 14948), (1616, 11618), (2512, 7474), (3232, 5809), (3737, 5024)]