18385671

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 26869248

約数和(自身を除く): 8483577

約数列:

[1, 3, 23, 41, 67, 69, 97, 123, 201, 291, 943, 1541, 2231, 2747, 2829, 3977, 4623, 6499, 6693, 8241, 11931, 19497, 63181, 91471, 149477, 189543, 266459, 274413, 448431, 799377, 6128557, 18385671]

約数ペア:

[(1, 18385671), (3, 6128557), (23, 799377), (41, 448431), (67, 274413), (69, 266459), (97, 189543), (123, 149477), (201, 91471), (291, 63181), (943, 19497), (1541, 11931), (2231, 8241), (2747, 6693), (2829, 6499), (3977, 4623)]