18830420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{134503}}^1$

素因数の和:134519

約数の個数: 24

約数和(自身を含む): 45193344

約数和(自身を除く): 26362924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 134503, 269006, 538012, 672515, 941521, 1345030, 1883042, 2690060, 3766084, 4707605, 9415210, 18830420]

約数ペア:

[(1, 18830420), (2, 9415210), (4, 4707605), (5, 3766084), (7, 2690060), (10, 1883042), (14, 1345030), (20, 941521), (28, 672515), (35, 538012), (70, 269006), (140, 134503)]