17921968

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1571}}^1$

素因数の和:1633

約数の個数: 40

約数和(自身を含む): 37426176

約数和(自身を除く): 19504208

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 62, 92, 124, 184, 248, 368, 496, 713, 1426, 1571, 2852, 3142, 5704, 6284, 11408, 12568, 25136, 36133, 48701, 72266, 97402, 144532, 194804, 289064, 389608, 578128, 779216, 1120123, 2240246, 4480492, 8960984, 17921968]

約数ペア:

[(1, 17921968), (2, 8960984), (4, 4480492), (8, 2240246), (16, 1120123), (23, 779216), (31, 578128), (46, 389608), (62, 289064), (92, 194804), (124, 144532), (184, 97402), (248, 72266), (368, 48701), (496, 36133), (713, 25136), (1426, 12568), (1571, 11408), (2852, 6284), (3142, 5704)]