19901328

素因数分解:

$2^4\times 3^1\times {\mathrm{414611}}^1$

素因数の和:414622

約数の個数: 20

約数和(自身を含む): 51411888

約数和(自身を除く): 31510560

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 414611, 829222, 1243833, 1658444, 2487666, 3316888, 4975332, 6633776, 9950664, 19901328]

約数ペア:

[(1, 19901328), (2, 9950664), (3, 6633776), (4, 4975332), (6, 3316888), (8, 2487666), (12, 1658444), (16, 1243833), (24, 829222), (48, 414611)]