19724940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109583}}^1$

素因数の和:109598

約数の個数: 36

約数和(自身を含む): 59832864

約数和(自身を除く): 40107924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 109583, 219166, 328749, 438332, 547915, 657498, 986247, 1095830, 1314996, 1643745, 1972494, 2191660, 3287490, 3944988, 4931235, 6574980, 9862470, 19724940]

約数ペア:

[(1, 19724940), (2, 9862470), (3, 6574980), (4, 4931235), (5, 3944988), (6, 3287490), (9, 2191660), (10, 1972494), (12, 1643745), (15, 1314996), (18, 1095830), (20, 986247), (30, 657498), (36, 547915), (45, 438332), (60, 328749), (90, 219166), (180, 109583)]