18236920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2063}}^1$

素因数の和:2104

約数の個数: 64

約数和(自身を含む): 46811520

約数和(自身を除く): 28574600

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2063, 2210, 4126, 4420, 8252, 8840, 10315, 16504, 20630, 26819, 35071, 41260, 53638, 70142, 82520, 107276, 134095, 140284, 175355, 214552, 268190, 280568, 350710, 455923, 536380, 701420, 911846, 1072760, 1402840, 1823692, 2279615, 3647384, 4559230, 9118460, 18236920]

約数ペア:

[(1, 18236920), (2, 9118460), (4, 4559230), (5, 3647384), (8, 2279615), (10, 1823692), (13, 1402840), (17, 1072760), (20, 911846), (26, 701420), (34, 536380), (40, 455923), (52, 350710), (65, 280568), (68, 268190), (85, 214552), (104, 175355), (130, 140284), (136, 134095), (170, 107276), (221, 82520), (260, 70142), (340, 53638), (442, 41260), (520, 35071), (680, 26819), (884, 20630), (1105, 16504), (1768, 10315), (2063, 8840), (2210, 8252), (4126, 4420)]