19394697

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 30764800

約数和(自身を除く): 11370103

約数列:

[1, 3, 7, 21, 37, 109, 111, 229, 259, 327, 687, 763, 777, 1603, 2289, 4033, 4809, 8473, 12099, 24961, 25419, 28231, 59311, 74883, 84693, 174727, 177933, 524181, 923557, 2770671, 6464899, 19394697]

約数ペア:

[(1, 19394697), (3, 6464899), (7, 2770671), (21, 923557), (37, 524181), (109, 177933), (111, 174727), (229, 84693), (259, 74883), (327, 59311), (687, 28231), (763, 25419), (777, 24961), (1603, 12099), (2289, 8473), (4033, 4809)]