18673720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35911}}^1$

素因数の和:35935

約数の個数: 32

約数和(自身を含む): 45249120

約数和(自身を除く): 26575400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 35911, 71822, 143644, 179555, 287288, 359110, 466843, 718220, 933686, 1436440, 1867372, 2334215, 3734744, 4668430, 9336860, 18673720]

約数ペア:

[(1, 18673720), (2, 9336860), (4, 4668430), (5, 3734744), (8, 2334215), (10, 1867372), (13, 1436440), (20, 933686), (26, 718220), (40, 466843), (52, 359110), (65, 287288), (104, 179555), (130, 143644), (260, 71822), (520, 35911)]