19004294449

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1\times {\mathrm{2663}}^1$

素因数の和:2997

約数の個数: 32

約数和(自身を含む): 22427725824

約数和(自身を除く): 3423431375

約数列:

[1, 7, 71, 83, 173, 497, 581, 1211, 2663, 5893, 12283, 14359, 18641, 41251, 85981, 100513, 189073, 221029, 460699, 1019489, 1323511, 1547203, 3224893, 7136423, 15693059, 32709629, 38238017, 109851413, 228967403, 267666119, 2714899207, 19004294449]

約数ペア:

[(1, 19004294449), (7, 2714899207), (71, 267666119), (83, 228967403), (173, 109851413), (497, 38238017), (581, 32709629), (1211, 15693059), (2663, 7136423), (5893, 3224893), (12283, 1547203), (14359, 1323511), (18641, 1019489), (41251, 460699), (85981, 221029), (100513, 189073)]