18774620

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{19973}}^1$

素因数の和:20029

約数の個数: 24

約数和(自身を含む): 40267584

約数和(自身を除く): 21492964

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 19973, 39946, 79892, 99865, 199730, 399460, 938731, 1877462, 3754924, 4693655, 9387310, 18774620]

約数ペア:

[(1, 18774620), (2, 9387310), (4, 4693655), (5, 3754924), (10, 1877462), (20, 938731), (47, 399460), (94, 199730), (188, 99865), (235, 79892), (470, 39946), (940, 19973)]