15919990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2531}}^1$

素因数の和:2592

約数の個数: 32

約数和(自身を含む): 31173984

約数和(自身を除く): 15253994

約数列:

[1, 2, 5, 10, 17, 34, 37, 74, 85, 170, 185, 370, 629, 1258, 2531, 3145, 5062, 6290, 12655, 25310, 43027, 86054, 93647, 187294, 215135, 430270, 468235, 936470, 1591999, 3183998, 7959995, 15919990]

約数ペア:

[(1, 15919990), (2, 7959995), (5, 3183998), (10, 1591999), (17, 936470), (34, 468235), (37, 430270), (74, 215135), (85, 187294), (170, 93647), (185, 86054), (370, 43027), (629, 25310), (1258, 12655), (2531, 6290), (3145, 5062)]