19651216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{94477}}^1$

素因数の和:94498

約数の個数: 20

約数和(自身を含む): 41003452

約数和(自身を除く): 21352236

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 94477, 188954, 377908, 755816, 1228201, 1511632, 2456402, 4912804, 9825608, 19651216]

約数ペア:

[(1, 19651216), (2, 9825608), (4, 4912804), (8, 2456402), (13, 1511632), (16, 1228201), (26, 755816), (52, 377908), (104, 188954), (208, 94477)]