18490818

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1117}}^1$

素因数の和:1242

約数の個数: 32

約数和(自身を含む): 38638080

約数和(自身を除く): 20147262

約数列:

[1, 2, 3, 6, 31, 62, 89, 93, 178, 186, 267, 534, 1117, 2234, 2759, 3351, 5518, 6702, 8277, 16554, 34627, 69254, 99413, 103881, 198826, 207762, 298239, 596478, 3081803, 6163606, 9245409, 18490818]

約数ペア:

[(1, 18490818), (2, 9245409), (3, 6163606), (6, 3081803), (31, 596478), (62, 298239), (89, 207762), (93, 198826), (178, 103881), (186, 99413), (267, 69254), (534, 34627), (1117, 16554), (2234, 8277), (2759, 6702), (3351, 5518)]