17997858

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{13697}}^1$

素因数の和:13778

約数の個数: 24

約数和(自身を含む): 39532428

約数和(自身を除く): 21534570

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 438, 657, 1314, 13697, 27394, 41091, 82182, 123273, 246546, 999881, 1999762, 2999643, 5999286, 8998929, 17997858]

約数ペア:

[(1, 17997858), (2, 8998929), (3, 5999286), (6, 2999643), (9, 1999762), (18, 999881), (73, 246546), (146, 123273), (219, 82182), (438, 41091), (657, 27394), (1314, 13697)]