19900128

素因数分解:

$2^5\times 3^1\times {\mathrm{207293}}^1$

素因数の和:207306

約数の個数: 24

約数和(自身を含む): 52238088

約数和(自身を除く): 32337960

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 207293, 414586, 621879, 829172, 1243758, 1658344, 2487516, 3316688, 4975032, 6633376, 9950064, 19900128]

約数ペア:

[(1, 19900128), (2, 9950064), (3, 6633376), (4, 4975032), (6, 3316688), (8, 2487516), (12, 1658344), (16, 1243758), (24, 829172), (32, 621879), (48, 414586), (96, 207293)]