19984848

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{32027}}^1$

素因数の和:32051

約数の個数: 40

約数和(自身を含む): 55600608

約数和(自身を除く): 35615760

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 32027, 64054, 96081, 128108, 192162, 256216, 384324, 416351, 512432, 768648, 832702, 1249053, 1537296, 1665404, 2498106, 3330808, 4996212, 6661616, 9992424, 19984848]

約数ペア:

[(1, 19984848), (2, 9992424), (3, 6661616), (4, 4996212), (6, 3330808), (8, 2498106), (12, 1665404), (13, 1537296), (16, 1249053), (24, 832702), (26, 768648), (39, 512432), (48, 416351), (52, 384324), (78, 256216), (104, 192162), (156, 128108), (208, 96081), (312, 64054), (624, 32027)]