19785210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2347}}^1$

素因数の和:2638

約数の個数: 32

約数和(自身を含む): 47673792

約数和(自身を除く): 27888582

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 281, 562, 843, 1405, 1686, 2347, 2810, 4215, 4694, 7041, 8430, 11735, 14082, 23470, 35205, 70410, 659507, 1319014, 1978521, 3297535, 3957042, 6595070, 9892605, 19785210]

約数ペア:

[(1, 19785210), (2, 9892605), (3, 6595070), (5, 3957042), (6, 3297535), (10, 1978521), (15, 1319014), (30, 659507), (281, 70410), (562, 35205), (843, 23470), (1405, 14082), (1686, 11735), (2347, 8430), (2810, 7041), (4215, 4694)]