18981676

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{4159}}^1$

素因数の和:4333

約数の個数: 24

約数和(自身を含む): 38205440

約数和(自身を除く): 19223764

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 652, 1141, 2282, 4159, 4564, 8318, 16636, 29113, 58226, 116452, 677917, 1355834, 2711668, 4745419, 9490838, 18981676]

約数ペア:

[(1, 18981676), (2, 9490838), (4, 4745419), (7, 2711668), (14, 1355834), (28, 677917), (163, 116452), (326, 58226), (652, 29113), (1141, 16636), (2282, 8318), (4159, 4564)]