19923855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6121}}^1$

素因数の和:6167

約数の個数: 32

約数和(自身を含む): 37613568

約数和(自身を除く): 17689713

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 6121, 18363, 30605, 42847, 91815, 128541, 189751, 214235, 569253, 642705, 948755, 1328257, 2846265, 3984771, 6641285, 19923855]

約数ペア:

[(1, 19923855), (3, 6641285), (5, 3984771), (7, 2846265), (15, 1328257), (21, 948755), (31, 642705), (35, 569253), (93, 214235), (105, 189751), (155, 128541), (217, 91815), (465, 42847), (651, 30605), (1085, 18363), (3255, 6121)]