19666450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{1361}}^1$

素因数の和:1407

約数の個数: 36

約数和(自身を含む): 38886462

約数和(自身を除く): 19220012

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 289, 425, 578, 850, 1361, 1445, 2722, 2890, 6805, 7225, 13610, 14450, 23137, 34025, 46274, 68050, 115685, 231370, 393329, 578425, 786658, 1156850, 1966645, 3933290, 9833225, 19666450]

約数ペア:

[(1, 19666450), (2, 9833225), (5, 3933290), (10, 1966645), (17, 1156850), (25, 786658), (34, 578425), (50, 393329), (85, 231370), (170, 115685), (289, 68050), (425, 46274), (578, 34025), (850, 23137), (1361, 14450), (1445, 13610), (2722, 7225), (2890, 6805)]