18370120

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1301}}^1$

素因数の和:1665

約数の個数: 32

約数和(自身を含む): 41481720

約数和(自身を除く): 23111600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1301, 1412, 1765, 2602, 2824, 3530, 5204, 6505, 7060, 10408, 13010, 14120, 26020, 52040, 459253, 918506, 1837012, 2296265, 3674024, 4592530, 9185060, 18370120]

約数ペア:

[(1, 18370120), (2, 9185060), (4, 4592530), (5, 3674024), (8, 2296265), (10, 1837012), (20, 918506), (40, 459253), (353, 52040), (706, 26020), (1301, 14120), (1412, 13010), (1765, 10408), (2602, 7060), (2824, 6505), (3530, 5204)]