17992940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{128521}}^1$

素因数の和:128537

約数の個数: 24

約数和(自身を含む): 43183392

約数和(自身を除く): 25190452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 128521, 257042, 514084, 642605, 899647, 1285210, 1799294, 2570420, 3598588, 4498235, 8996470, 17992940]

約数ペア:

[(1, 17992940), (2, 8996470), (4, 4498235), (5, 3598588), (7, 2570420), (10, 1799294), (14, 1285210), (20, 899647), (28, 642605), (35, 514084), (70, 257042), (140, 128521)]