17974740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{42797}}^1$

素因数の和:42816

約数の個数: 48

約数和(自身を含む): 57520512

約数和(自身を除く): 39545772

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 42797, 85594, 128391, 171188, 213985, 256782, 299579, 427970, 513564, 599158, 641955, 855940, 898737, 1198316, 1283910, 1497895, 1797474, 2567820, 2995790, 3594948, 4493685, 5991580, 8987370, 17974740]

約数ペア:

[(1, 17974740), (2, 8987370), (3, 5991580), (4, 4493685), (5, 3594948), (6, 2995790), (7, 2567820), (10, 1797474), (12, 1497895), (14, 1283910), (15, 1198316), (20, 898737), (21, 855940), (28, 641955), (30, 599158), (35, 513564), (42, 427970), (60, 299579), (70, 256782), (84, 213985), (105, 171188), (140, 128391), (210, 85594), (420, 42797)]