19618128

素因数分解:

$2^4\times 3^2\times {\mathrm{136237}}^1$

素因数の和:136251

約数の個数: 30

約数和(自身を含む): 54903914

約数和(自身を除く): 35285786

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 136237, 272474, 408711, 544948, 817422, 1089896, 1226133, 1634844, 2179792, 2452266, 3269688, 4904532, 6539376, 9809064, 19618128]

約数ペア:

[(1, 19618128), (2, 9809064), (3, 6539376), (4, 4904532), (6, 3269688), (8, 2452266), (9, 2179792), (12, 1634844), (16, 1226133), (18, 1089896), (24, 817422), (36, 544948), (48, 408711), (72, 272474), (144, 136237)]