18130040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14621}}^1$

素因数の和:14663

約数の個数: 32

約数和(自身を含む): 42111360

約数和(自身を除く): 23981320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 14621, 29242, 58484, 73105, 116968, 146210, 292420, 453251, 584840, 906502, 1813004, 2266255, 3626008, 4532510, 9065020, 18130040]

約数ペア:

[(1, 18130040), (2, 9065020), (4, 4532510), (5, 3626008), (8, 2266255), (10, 1813004), (20, 906502), (31, 584840), (40, 453251), (62, 292420), (124, 146210), (155, 116968), (248, 73105), (310, 58484), (620, 29242), (1240, 14621)]