18120378

素因数分解:

$2^1\times 3^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:486

約数の個数: 32

約数和(自身を含む): 37065600

約数和(自身を除く): 18945222

約数列:

[1, 2, 3, 6, 103, 109, 206, 218, 269, 309, 327, 538, 618, 654, 807, 1614, 11227, 22454, 27707, 29321, 33681, 55414, 58642, 67362, 83121, 87963, 166242, 175926, 3020063, 6040126, 9060189, 18120378]

約数ペア:

[(1, 18120378), (2, 9060189), (3, 6040126), (6, 3020063), (103, 175926), (109, 166242), (206, 87963), (218, 83121), (269, 67362), (309, 58642), (327, 55414), (538, 33681), (618, 29321), (654, 27707), (807, 22454), (1614, 11227)]