19111660

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{2383}}^1$

素因数の和:2793

約数の個数: 24

約数和(自身を含む): 40251456

約数和(自身を除く): 21139796

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 2383, 4010, 4766, 8020, 9532, 11915, 23830, 47660, 955583, 1911166, 3822332, 4777915, 9555830, 19111660]

約数ペア:

[(1, 19111660), (2, 9555830), (4, 4777915), (5, 3822332), (10, 1911166), (20, 955583), (401, 47660), (802, 23830), (1604, 11915), (2005, 9532), (2383, 8020), (4010, 4766)]