12121430

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{487}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 23189760

約数和(自身を除く): 11068330

約数列:

[1, 2, 5, 10, 19, 38, 95, 131, 190, 262, 487, 655, 974, 1310, 2435, 2489, 4870, 4978, 9253, 12445, 18506, 24890, 46265, 63797, 92530, 127594, 318985, 637970, 1212143, 2424286, 6060715, 12121430]

約数ペア:

[(1, 12121430), (2, 6060715), (5, 2424286), (10, 1212143), (19, 637970), (38, 318985), (95, 127594), (131, 92530), (190, 63797), (262, 46265), (487, 24890), (655, 18506), (974, 12445), (1310, 9253), (2435, 4978), (2489, 4870)]