19278340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{56701}}^1$

素因数の和:56727

約数の個数: 24

約数和(自身を含む): 42866712

約数和(自身を除く): 23588372

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 56701, 113402, 226804, 283505, 567010, 963917, 1134020, 1927834, 3855668, 4819585, 9639170, 19278340]

約数ペア:

[(1, 19278340), (2, 9639170), (4, 4819585), (5, 3855668), (10, 1927834), (17, 1134020), (20, 963917), (34, 567010), (68, 283505), (85, 226804), (170, 113402), (340, 56701)]