22451990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{509}}^1$

素因数の和:928

約数の個数: 32

約数和(自身を含む): 44284320

約数和(自身を除く): 21832330

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 401, 509, 802, 1018, 2005, 2545, 4010, 4411, 5090, 5599, 8822, 11198, 22055, 27995, 44110, 55990, 204109, 408218, 1020545, 2041090, 2245199, 4490398, 11225995, 22451990]

約数ペア:

[(1, 22451990), (2, 11225995), (5, 4490398), (10, 2245199), (11, 2041090), (22, 1020545), (55, 408218), (110, 204109), (401, 55990), (509, 44110), (802, 27995), (1018, 22055), (2005, 11198), (2545, 8822), (4010, 5599), (4411, 5090)]