18891240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157427}}^1$

素因数の和:157441

約数の個数: 32

約数和(自身を含む): 56674080

約数和(自身を除く): 37782840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157427, 314854, 472281, 629708, 787135, 944562, 1259416, 1574270, 1889124, 2361405, 3148540, 3778248, 4722810, 6297080, 9445620, 18891240]

約数ペア:

[(1, 18891240), (2, 9445620), (3, 6297080), (4, 4722810), (5, 3778248), (6, 3148540), (8, 2361405), (10, 1889124), (12, 1574270), (15, 1259416), (20, 944562), (24, 787135), (30, 629708), (40, 472281), (60, 314854), (120, 157427)]