18153538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:370

約数の個数: 32

約数和(自身を含む): 30707712

約数和(自身を除く): 12554174

約数列:

[1, 2, 13, 26, 31, 62, 101, 202, 223, 403, 446, 806, 1313, 2626, 2899, 3131, 5798, 6262, 6913, 13826, 22523, 40703, 45046, 81406, 89869, 179738, 292799, 585598, 698213, 1396426, 9076769, 18153538]

約数ペア:

[(1, 18153538), (2, 9076769), (13, 1396426), (26, 698213), (31, 585598), (62, 292799), (101, 179738), (202, 89869), (223, 81406), (403, 45046), (446, 40703), (806, 22523), (1313, 13826), (2626, 6913), (2899, 6262), (3131, 5798)]