18223712

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{617}}^1$

素因数の和:711

約数の個数: 48

約数和(自身を含む): 39245472

約数和(自身を除く): 21021760

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 71, 104, 142, 208, 284, 416, 568, 617, 923, 1136, 1234, 1846, 2272, 2468, 3692, 4936, 7384, 8021, 9872, 14768, 16042, 19744, 29536, 32084, 43807, 64168, 87614, 128336, 175228, 256672, 350456, 569491, 700912, 1138982, 1401824, 2277964, 4555928, 9111856, 18223712]

約数ペア:

[(1, 18223712), (2, 9111856), (4, 4555928), (8, 2277964), (13, 1401824), (16, 1138982), (26, 700912), (32, 569491), (52, 350456), (71, 256672), (104, 175228), (142, 128336), (208, 87614), (284, 64168), (416, 43807), (568, 32084), (617, 29536), (923, 19744), (1136, 16042), (1234, 14768), (1846, 9872), (2272, 8021), (2468, 7384), (3692, 4936)]