19899480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{165829}}^1$

素因数の和:165843

約数の個数: 32

約数和(自身を含む): 59698800

約数和(自身を除く): 39799320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 165829, 331658, 497487, 663316, 829145, 994974, 1326632, 1658290, 1989948, 2487435, 3316580, 3979896, 4974870, 6633160, 9949740, 19899480]

約数ペア:

[(1, 19899480), (2, 9949740), (3, 6633160), (4, 4974870), (5, 3979896), (6, 3316580), (8, 2487435), (10, 1989948), (12, 1658290), (15, 1326632), (20, 994974), (24, 829145), (30, 663316), (40, 497487), (60, 331658), (120, 165829)]