18680090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13063}}^1$

素因数の和:13094

約数の個数: 32

約数和(自身を含む): 39505536

約数和(自身を除く): 20825446

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 13063, 26126, 65315, 130630, 143693, 169819, 287386, 339638, 718465, 849095, 1436930, 1698190, 1868009, 3736018, 9340045, 18680090]

約数ペア:

[(1, 18680090), (2, 9340045), (5, 3736018), (10, 1868009), (11, 1698190), (13, 1436930), (22, 849095), (26, 718465), (55, 339638), (65, 287386), (110, 169819), (130, 143693), (143, 130630), (286, 65315), (715, 26126), (1430, 13063)]