18659140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{49103}}^1$

素因数の和:49131

約数の個数: 24

約数和(自身を含む): 41247360

約数和(自身を除く): 22588220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 49103, 98206, 196412, 245515, 491030, 932957, 982060, 1865914, 3731828, 4664785, 9329570, 18659140]

約数ペア:

[(1, 18659140), (2, 9329570), (4, 4664785), (5, 3731828), (10, 1865914), (19, 982060), (20, 932957), (38, 491030), (76, 245515), (95, 196412), (190, 98206), (380, 49103)]