19373420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{823}}^1$

素因数の和:950

約数の個数: 48

約数和(自身を含む): 44851968

約数和(自身を除く): 25478548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 823, 1070, 1177, 1646, 2140, 2354, 3292, 4115, 4708, 5885, 8230, 9053, 11770, 16460, 18106, 23540, 36212, 45265, 88061, 90530, 176122, 181060, 352244, 440305, 880610, 968671, 1761220, 1937342, 3874684, 4843355, 9686710, 19373420]

約数ペア:

[(1, 19373420), (2, 9686710), (4, 4843355), (5, 3874684), (10, 1937342), (11, 1761220), (20, 968671), (22, 880610), (44, 440305), (55, 352244), (107, 181060), (110, 176122), (214, 90530), (220, 88061), (428, 45265), (535, 36212), (823, 23540), (1070, 18106), (1177, 16460), (1646, 11770), (2140, 9053), (2354, 8230), (3292, 5885), (4115, 4708)]