18955665

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4733}}^1$

素因数の和:4833

約数の個数: 24

約数和(自身を含む): 33232680

約数和(自身を除く): 14277015

約数列:

[1, 3, 5, 9, 15, 45, 89, 267, 445, 801, 1335, 4005, 4733, 14199, 23665, 42597, 70995, 212985, 421237, 1263711, 2106185, 3791133, 6318555, 18955665]

約数ペア:

[(1, 18955665), (3, 6318555), (5, 3791133), (9, 2106185), (15, 1263711), (45, 421237), (89, 212985), (267, 70995), (445, 42597), (801, 23665), (1335, 14199), (4005, 4733)]