17939805

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{467}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 31135104

約数和(自身を除く): 13195299

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 197, 467, 591, 985, 1401, 2335, 2561, 2955, 6071, 7005, 7683, 12805, 18213, 30355, 38415, 91065, 91999, 275997, 459995, 1195987, 1379985, 3587961, 5979935, 17939805]

約数ペア:

[(1, 17939805), (3, 5979935), (5, 3587961), (13, 1379985), (15, 1195987), (39, 459995), (65, 275997), (195, 91999), (197, 91065), (467, 38415), (591, 30355), (985, 18213), (1401, 12805), (2335, 7683), (2561, 7005), (2955, 6071)]