19009870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4019}}^1$

素因数の和:4080

約数の個数: 32

約数和(自身を含む): 38206080

約数和(自身を除く): 19196210

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4019, 4730, 8038, 20095, 40190, 44209, 88418, 172817, 221045, 345634, 442090, 864085, 1728170, 1900987, 3801974, 9504935, 19009870]

約数ペア:

[(1, 19009870), (2, 9504935), (5, 3801974), (10, 1900987), (11, 1728170), (22, 864085), (43, 442090), (55, 345634), (86, 221045), (110, 172817), (215, 88418), (430, 44209), (473, 40190), (946, 20095), (2365, 8038), (4019, 4730)]