19746662

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:668

約数の個数: 32

約数和(自身を含む): 34110720

約数和(自身を除く): 14364058

約数列:

[1, 2, 13, 19, 26, 38, 71, 142, 247, 494, 563, 923, 1126, 1349, 1846, 2698, 7319, 10697, 14638, 17537, 21394, 35074, 39973, 79946, 139061, 278122, 519649, 759487, 1039298, 1518974, 9873331, 19746662]

約数ペア:

[(1, 19746662), (2, 9873331), (13, 1518974), (19, 1039298), (26, 759487), (38, 519649), (71, 278122), (142, 139061), (247, 79946), (494, 39973), (563, 35074), (923, 21394), (1126, 17537), (1349, 14638), (1846, 10697), (2698, 7319)]