19410140

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{4027}}^1$

素因数の和:4277

約数の個数: 24

約数和(自身を含む): 40940592

約数和(自身を除く): 21530452

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4027, 4820, 8054, 16108, 20135, 40270, 80540, 970507, 1941014, 3882028, 4852535, 9705070, 19410140]

約数ペア:

[(1, 19410140), (2, 9705070), (4, 4852535), (5, 3882028), (10, 1941014), (20, 970507), (241, 80540), (482, 40270), (964, 20135), (1205, 16108), (2410, 8054), (4027, 4820)]