18623420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{49009}}^1$

素因数の和:49037

約数の個数: 24

約数和(自身を含む): 41168400

約数和(自身を除く): 22544980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 49009, 98018, 196036, 245045, 490090, 931171, 980180, 1862342, 3724684, 4655855, 9311710, 18623420]

約数ペア:

[(1, 18623420), (2, 9311710), (4, 4655855), (5, 3724684), (10, 1862342), (19, 980180), (20, 931171), (38, 490090), (76, 245045), (95, 196036), (190, 98018), (380, 49009)]