19318700

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{3167}}^1$

素因数の和:3242

約数の個数: 36

約数和(自身を含む): 42622272

約数和(自身を除く): 23303572

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 3050, 3167, 6100, 6334, 12668, 15835, 31670, 63340, 79175, 158350, 193187, 316700, 386374, 772748, 965935, 1931870, 3863740, 4829675, 9659350, 19318700]

約数ペア:

[(1, 19318700), (2, 9659350), (4, 4829675), (5, 3863740), (10, 1931870), (20, 965935), (25, 772748), (50, 386374), (61, 316700), (100, 193187), (122, 158350), (244, 79175), (305, 63340), (610, 31670), (1220, 15835), (1525, 12668), (3050, 6334), (3167, 6100)]