18658480

素因数分解:

$2^4\times 5^1\times {\mathrm{233231}}^1$

素因数の和:233244

約数の個数: 20

約数和(自身を含む): 43381152

約数和(自身を除く): 24722672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 233231, 466462, 932924, 1166155, 1865848, 2332310, 3731696, 4664620, 9329240, 18658480]

約数ペア:

[(1, 18658480), (2, 9329240), (4, 4664620), (5, 3731696), (8, 2332310), (10, 1865848), (16, 1166155), (20, 932924), (40, 466462), (80, 233231)]