18711670

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{571}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 35212320

約数和(自身を除く): 16500650

約数列:

[1, 2, 5, 10, 29, 58, 113, 145, 226, 290, 565, 571, 1130, 1142, 2855, 3277, 5710, 6554, 16385, 16559, 32770, 33118, 64523, 82795, 129046, 165590, 322615, 645230, 1871167, 3742334, 9355835, 18711670]

約数ペア:

[(1, 18711670), (2, 9355835), (5, 3742334), (10, 1871167), (29, 645230), (58, 322615), (113, 165590), (145, 129046), (226, 82795), (290, 64523), (565, 33118), (571, 32770), (1130, 16559), (1142, 16385), (2855, 6554), (3277, 5710)]