1815265720

素因数分解:

$2^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{194771}}^1$

素因数の和:195015

約数の個数: 32

約数和(自身を含む): 4101898320

約数和(自身を除く): 2286632600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 233, 466, 932, 1165, 1864, 2330, 4660, 9320, 194771, 389542, 779084, 973855, 1558168, 1947710, 3895420, 7790840, 45381643, 90763286, 181526572, 226908215, 363053144, 453816430, 907632860, 1815265720]

約数ペア:

[(1, 1815265720), (2, 907632860), (4, 453816430), (5, 363053144), (8, 226908215), (10, 181526572), (20, 90763286), (40, 45381643), (233, 7790840), (466, 3895420), (932, 1947710), (1165, 1558168), (1864, 973855), (2330, 779084), (4660, 389542), (9320, 194771)]