18958520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67709}}^1$

素因数の和:67727

約数の個数: 32

約数和(自身を含む): 48751200

約数和(自身を除く): 29792680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 67709, 135418, 270836, 338545, 473963, 541672, 677090, 947926, 1354180, 1895852, 2369815, 2708360, 3791704, 4739630, 9479260, 18958520]

約数ペア:

[(1, 18958520), (2, 9479260), (4, 4739630), (5, 3791704), (7, 2708360), (8, 2369815), (10, 1895852), (14, 1354180), (20, 947926), (28, 677090), (35, 541672), (40, 473963), (56, 338545), (70, 270836), (140, 135418), (280, 67709)]