18310240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8803}}^1$

素因数の和:8831

約数の個数: 48

約数和(自身を含む): 46590768

約数和(自身を除く): 28280528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 8803, 17606, 35212, 44015, 70424, 88030, 114439, 140848, 176060, 228878, 281696, 352120, 457756, 572195, 704240, 915512, 1144390, 1408480, 1831024, 2288780, 3662048, 4577560, 9155120, 18310240]

約数ペア:

[(1, 18310240), (2, 9155120), (4, 4577560), (5, 3662048), (8, 2288780), (10, 1831024), (13, 1408480), (16, 1144390), (20, 915512), (26, 704240), (32, 572195), (40, 457756), (52, 352120), (65, 281696), (80, 228878), (104, 176060), (130, 140848), (160, 114439), (208, 88030), (260, 70424), (416, 44015), (520, 35212), (1040, 17606), (2080, 8803)]