18934940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{55691}}^1$

素因数の和:55717

約数の個数: 24

約数和(自身を含む): 42103152

約数和(自身を除く): 23168212

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 55691, 111382, 222764, 278455, 556910, 946747, 1113820, 1893494, 3786988, 4733735, 9467470, 18934940]

約数ペア:

[(1, 18934940), (2, 9467470), (4, 4733735), (5, 3786988), (10, 1893494), (17, 1113820), (20, 946747), (34, 556910), (68, 278455), (85, 222764), (170, 111382), (340, 55691)]