18294860

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 39626496

約数和(自身を除く): 21331636

約数列:

[1, 2, 4, 5, 10, 20, 83, 103, 107, 166, 206, 214, 332, 412, 415, 428, 515, 535, 830, 1030, 1070, 1660, 2060, 2140, 8549, 8881, 11021, 17098, 17762, 22042, 34196, 35524, 42745, 44084, 44405, 55105, 85490, 88810, 110210, 170980, 177620, 220420, 914743, 1829486, 3658972, 4573715, 9147430, 18294860]

約数ペア:

[(1, 18294860), (2, 9147430), (4, 4573715), (5, 3658972), (10, 1829486), (20, 914743), (83, 220420), (103, 177620), (107, 170980), (166, 110210), (206, 88810), (214, 85490), (332, 55105), (412, 44405), (415, 44084), (428, 42745), (515, 35524), (535, 34196), (830, 22042), (1030, 17762), (1070, 17098), (1660, 11021), (2060, 8881), (2140, 8549)]