2638207874

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{409}}^1\times {\mathrm{853}}^1$

素因数の和:1482

約数の個数: 32

約数和(自身を含む): 4201680000

約数和(自身を除く): 1563472126

約数列:

[1, 2, 19, 38, 199, 398, 409, 818, 853, 1706, 3781, 7562, 7771, 15542, 16207, 32414, 81391, 162782, 169747, 339494, 348877, 697754, 1546429, 3092858, 3225193, 6450386, 6628663, 13257326, 69426523, 138853046, 1319103937, 2638207874]

約数ペア:

[(1, 2638207874), (2, 1319103937), (19, 138853046), (38, 69426523), (199, 13257326), (398, 6628663), (409, 6450386), (818, 3225193), (853, 3092858), (1706, 1546429), (3781, 697754), (7562, 348877), (7771, 339494), (15542, 169747), (16207, 162782), (32414, 81391)]