19191666

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7937}}^1$

素因数の和:7986

約数の個数: 32

約数和(自身を含む): 42674688

約数和(自身を除く): 23483022

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 7937, 15874, 23811, 47622, 103181, 206362, 246047, 309543, 492094, 619086, 738141, 1476282, 3198611, 6397222, 9595833, 19191666]

約数ペア:

[(1, 19191666), (2, 9595833), (3, 6397222), (6, 3198611), (13, 1476282), (26, 738141), (31, 619086), (39, 492094), (62, 309543), (78, 246047), (93, 206362), (186, 103181), (403, 47622), (806, 23811), (1209, 15874), (2418, 7937)]