18481490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{461}}^1$

素因数の和:698

約数の個数: 32

約数和(自身を含む): 35259840

約数和(自身を除く): 16778350

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 211, 422, 461, 922, 1055, 2110, 2305, 4009, 4610, 8018, 8759, 17518, 20045, 40090, 43795, 87590, 97271, 194542, 486355, 972710, 1848149, 3696298, 9240745, 18481490]

約数ペア:

[(1, 18481490), (2, 9240745), (5, 3696298), (10, 1848149), (19, 972710), (38, 486355), (95, 194542), (190, 97271), (211, 87590), (422, 43795), (461, 40090), (922, 20045), (1055, 17518), (2110, 8759), (2305, 8018), (4009, 4610)]