19367420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{56963}}^1$

素因数の和:56989

約数の個数: 24

約数和(自身を含む): 43064784

約数和(自身を除く): 23697364

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 56963, 113926, 227852, 284815, 569630, 968371, 1139260, 1936742, 3873484, 4841855, 9683710, 19367420]

約数ペア:

[(1, 19367420), (2, 9683710), (4, 4841855), (5, 3873484), (10, 1936742), (17, 1139260), (20, 968371), (34, 569630), (68, 284815), (85, 227852), (170, 113926), (340, 56963)]