18043540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{461}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 40360320

約数和(自身を除く): 22316780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 380, 412, 461, 515, 922, 1030, 1844, 1957, 2060, 2305, 3914, 4610, 7828, 8759, 9220, 9785, 17518, 19570, 35036, 39140, 43795, 47483, 87590, 94966, 175180, 189932, 237415, 474830, 902177, 949660, 1804354, 3608708, 4510885, 9021770, 18043540]

約数ペア:

[(1, 18043540), (2, 9021770), (4, 4510885), (5, 3608708), (10, 1804354), (19, 949660), (20, 902177), (38, 474830), (76, 237415), (95, 189932), (103, 175180), (190, 94966), (206, 87590), (380, 47483), (412, 43795), (461, 39140), (515, 35036), (922, 19570), (1030, 17518), (1844, 9785), (1957, 9220), (2060, 8759), (2305, 7828), (3914, 4610)]