19321880

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{733}}^1$

素因数の和:1403

約数の個数: 32

約数和(自身を含む): 43599600

約数和(自身を除く): 24277720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 733, 1318, 1466, 2636, 2932, 3295, 3665, 5272, 5864, 6590, 7330, 13180, 14660, 26360, 29320, 483047, 966094, 1932188, 2415235, 3864376, 4830470, 9660940, 19321880]

約数ペア:

[(1, 19321880), (2, 9660940), (4, 4830470), (5, 3864376), (8, 2415235), (10, 1932188), (20, 966094), (40, 483047), (659, 29320), (733, 26360), (1318, 14660), (1466, 13180), (2636, 7330), (2932, 6590), (3295, 5864), (3665, 5272)]