19695789

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{367}}^1$

素因数の和:529

約数の個数: 24

約数和(自身を含む): 29278080

約数和(自身を除く): 9582291

約数列:

[1, 3, 9, 67, 89, 201, 267, 367, 603, 801, 1101, 3303, 5963, 17889, 24589, 32663, 53667, 73767, 97989, 221301, 293967, 2188421, 6565263, 19695789]

約数ペア:

[(1, 19695789), (3, 6565263), (9, 2188421), (67, 293967), (89, 221301), (201, 97989), (267, 73767), (367, 53667), (603, 32663), (801, 24589), (1101, 17889), (3303, 5963)]