18959955

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3407}}^1$

素因数の和:3475

約数の個数: 32

約数和(自身を含む): 35334144

約数和(自身を除く): 16374189

約数列:

[1, 3, 5, 7, 15, 21, 35, 53, 105, 159, 265, 371, 795, 1113, 1855, 3407, 5565, 10221, 17035, 23849, 51105, 71547, 119245, 180571, 357735, 541713, 902855, 1263997, 2708565, 3791991, 6319985, 18959955]

約数ペア:

[(1, 18959955), (3, 6319985), (5, 3791991), (7, 2708565), (15, 1263997), (21, 902855), (35, 541713), (53, 357735), (105, 180571), (159, 119245), (265, 71547), (371, 51105), (795, 23849), (1113, 17035), (1855, 10221), (3407, 5565)]