18117018

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:403

約数の個数: 48

約数和(自身を含む): 40772160

約数和(自身を除く): 22655142

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 89, 129, 178, 258, 263, 267, 387, 526, 534, 774, 789, 801, 1578, 1602, 2367, 3827, 4734, 7654, 11309, 11481, 22618, 22962, 23407, 33927, 34443, 46814, 67854, 68886, 70221, 101781, 140442, 203562, 210663, 421326, 1006501, 2013002, 3019503, 6039006, 9058509, 18117018]

約数ペア:

[(1, 18117018), (2, 9058509), (3, 6039006), (6, 3019503), (9, 2013002), (18, 1006501), (43, 421326), (86, 210663), (89, 203562), (129, 140442), (178, 101781), (258, 70221), (263, 68886), (267, 67854), (387, 46814), (526, 34443), (534, 33927), (774, 23407), (789, 22962), (801, 22618), (1578, 11481), (1602, 11309), (2367, 7654), (3827, 4734)]