19685776

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3023}}^1$

素因数の和:3079

約数の個数: 40

約数和(自身を含む): 42747264

約数和(自身を除く): 23061488

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 74, 88, 148, 176, 296, 407, 592, 814, 1628, 3023, 3256, 6046, 6512, 12092, 24184, 33253, 48368, 66506, 111851, 133012, 223702, 266024, 447404, 532048, 894808, 1230361, 1789616, 2460722, 4921444, 9842888, 19685776]

約数ペア:

[(1, 19685776), (2, 9842888), (4, 4921444), (8, 2460722), (11, 1789616), (16, 1230361), (22, 894808), (37, 532048), (44, 447404), (74, 266024), (88, 223702), (148, 133012), (176, 111851), (296, 66506), (407, 48368), (592, 33253), (814, 24184), (1628, 12092), (3023, 6512), (3256, 6046)]