18219955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{14753}}^1$

素因数の和:14790

約数の個数: 16

約数和(自身を含む): 24786720

約数和(自身を除く): 6566765

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 14753, 73765, 191789, 280307, 958945, 1401535, 3643991, 18219955]

約数ペア:

[(1, 18219955), (5, 3643991), (13, 1401535), (19, 958945), (65, 280307), (95, 191789), (247, 73765), (1235, 14753)]