17923690

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{571}}^1$

素因数の和:694

約数の個数: 32

約数和(自身を含む): 33523776

約数和(自身を除く): 15600086

約数列:

[1, 2, 5, 10, 43, 73, 86, 146, 215, 365, 430, 571, 730, 1142, 2855, 3139, 5710, 6278, 15695, 24553, 31390, 41683, 49106, 83366, 122765, 208415, 245530, 416830, 1792369, 3584738, 8961845, 17923690]

約数ペア:

[(1, 17923690), (2, 8961845), (5, 3584738), (10, 1792369), (43, 416830), (73, 245530), (86, 208415), (146, 122765), (215, 83366), (365, 49106), (430, 41683), (571, 31390), (730, 24553), (1142, 15695), (2855, 6278), (3139, 5710)]