19177552

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{8623}}^1$

素因数の和:8770

約数の個数: 20

約数和(自身を含む): 37428160

約数和(自身を除く): 18250608

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 8623, 17246, 34492, 68984, 137968, 1198597, 2397194, 4794388, 9588776, 19177552]

約数ペア:

[(1, 19177552), (2, 9588776), (4, 4794388), (8, 2397194), (16, 1198597), (139, 137968), (278, 68984), (556, 34492), (1112, 17246), (2224, 8623)]