18128586

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{661}}^1$

素因数の和:1326

約数の個数: 32

約数和(自身を含む): 41563008

約数和(自身を除く): 23434422

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 653, 661, 1306, 1322, 1959, 1983, 3918, 3966, 4571, 4627, 9142, 9254, 13713, 13881, 27426, 27762, 431633, 863266, 1294899, 2589798, 3021431, 6042862, 9064293, 18128586]

約数ペア:

[(1, 18128586), (2, 9064293), (3, 6042862), (6, 3021431), (7, 2589798), (14, 1294899), (21, 863266), (42, 431633), (653, 27762), (661, 27426), (1306, 13881), (1322, 13713), (1959, 9254), (1983, 9142), (3918, 4627), (3966, 4571)]