18520216

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16189}}^1$

素因数の和:16219

約数の個数: 32

約数和(自身を含む): 40798800

約数和(自身を除く): 22278584

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 16189, 32378, 64756, 129512, 178079, 210457, 356158, 420914, 712316, 841828, 1424632, 1683656, 2315027, 4630054, 9260108, 18520216]

約数ペア:

[(1, 18520216), (2, 9260108), (4, 4630054), (8, 2315027), (11, 1683656), (13, 1424632), (22, 841828), (26, 712316), (44, 420914), (52, 356158), (88, 210457), (104, 178079), (143, 129512), (286, 64756), (572, 32378), (1144, 16189)]