18372003

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 27417600

約数和(自身を除く): 9045597

約数列:

[1, 3, 13, 39, 67, 79, 89, 201, 237, 267, 871, 1027, 1157, 2613, 3081, 3471, 5293, 5963, 7031, 15879, 17889, 21093, 68809, 77519, 91403, 206427, 232557, 274209, 471077, 1413231, 6124001, 18372003]

約数ペア:

[(1, 18372003), (3, 6124001), (13, 1413231), (39, 471077), (67, 274209), (79, 232557), (89, 206427), (201, 91403), (237, 77519), (267, 68809), (871, 21093), (1027, 17889), (1157, 15879), (2613, 7031), (3081, 5963), (3471, 5293)]