19904450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23417}}^1$

素因数の和:23446

約数の個数: 24

約数和(自身を含む): 39201732

約数和(自身を除く): 19297282

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, 850, 23417, 46834, 117085, 234170, 398089, 585425, 796178, 1170850, 1990445, 3980890, 9952225, 19904450]

約数ペア:

[(1, 19904450), (2, 9952225), (5, 3980890), (10, 1990445), (17, 1170850), (25, 796178), (34, 585425), (50, 398089), (85, 234170), (170, 117085), (425, 46834), (850, 23417)]