18296944

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{997}}^1$

素因数の和:1073

約数の個数: 40

約数和(自身を含む): 37620608

約数和(自身を除く): 19323664

約数列:

[1, 2, 4, 8, 16, 31, 37, 62, 74, 124, 148, 248, 296, 496, 592, 997, 1147, 1994, 2294, 3988, 4588, 7976, 9176, 15952, 18352, 30907, 36889, 61814, 73778, 123628, 147556, 247256, 295112, 494512, 590224, 1143559, 2287118, 4574236, 9148472, 18296944]

約数ペア:

[(1, 18296944), (2, 9148472), (4, 4574236), (8, 2287118), (16, 1143559), (31, 590224), (37, 494512), (62, 295112), (74, 247256), (124, 147556), (148, 123628), (248, 73778), (296, 61814), (496, 36889), (592, 30907), (997, 18352), (1147, 15952), (1994, 9176), (2294, 7976), (3988, 4588)]