18742065

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 30844800

約数和(自身を除く): 12102735

約数列:

[1, 3, 5, 15, 89, 101, 139, 267, 303, 417, 445, 505, 695, 1335, 1515, 2085, 8989, 12371, 14039, 26967, 37113, 42117, 44945, 61855, 70195, 134835, 185565, 210585, 1249471, 3748413, 6247355, 18742065]

約数ペア:

[(1, 18742065), (3, 6247355), (5, 3748413), (15, 1249471), (89, 210585), (101, 185565), (139, 134835), (267, 70195), (303, 61855), (417, 44945), (445, 42117), (505, 37113), (695, 26967), (1335, 14039), (1515, 12371), (2085, 8989)]