19726128

素因数分解:

$2^4\times 3^2\times {\mathrm{136987}}^1$

素因数の和:137001

約数の個数: 30

約数和(自身を含む): 55206164

約数和(自身を除く): 35480036

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 136987, 273974, 410961, 547948, 821922, 1095896, 1232883, 1643844, 2191792, 2465766, 3287688, 4931532, 6575376, 9863064, 19726128]

約数ペア:

[(1, 19726128), (2, 9863064), (3, 6575376), (4, 4931532), (6, 3287688), (8, 2465766), (9, 2191792), (12, 1643844), (16, 1232883), (18, 1095896), (24, 821922), (36, 547948), (48, 410961), (72, 273974), (144, 136987)]