19813130

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53549}}^1$

素因数の和:53593

約数の個数: 16

約数和(自身を含む): 36628200

約数和(自身を除く): 16815070

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 53549, 107098, 267745, 535490, 1981313, 3962626, 9906565, 19813130]

約数ペア:

[(1, 19813130), (2, 9906565), (5, 3962626), (10, 1981313), (37, 535490), (74, 267745), (185, 107098), (370, 53549)]