18133990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8933}}^1$

素因数の和:8976

約数の個数: 32

約数和(自身を含む): 38594880

約数和(自身を除く): 20460890

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 8933, 17866, 44665, 62531, 89330, 125062, 259057, 312655, 518114, 625310, 1295285, 1813399, 2590570, 3626798, 9066995, 18133990]

約数ペア:

[(1, 18133990), (2, 9066995), (5, 3626798), (7, 2590570), (10, 1813399), (14, 1295285), (29, 625310), (35, 518114), (58, 312655), (70, 259057), (145, 125062), (203, 89330), (290, 62531), (406, 44665), (1015, 17866), (2030, 8933)]