18505998

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{761}}^1$

素因数の和:969

約数の個数: 48

約数和(自身を含む): 46122336

約数和(自身を除く): 27616338

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 193, 386, 579, 761, 1158, 1351, 1522, 1737, 2283, 2702, 3474, 4053, 4566, 5327, 6849, 8106, 10654, 12159, 13698, 15981, 24318, 31962, 47943, 95886, 146873, 293746, 440619, 881238, 1028111, 1321857, 2056222, 2643714, 3084333, 6168666, 9252999, 18505998]

約数ペア:

[(1, 18505998), (2, 9252999), (3, 6168666), (6, 3084333), (7, 2643714), (9, 2056222), (14, 1321857), (18, 1028111), (21, 881238), (42, 440619), (63, 293746), (126, 146873), (193, 95886), (386, 47943), (579, 31962), (761, 24318), (1158, 15981), (1351, 13698), (1522, 12159), (1737, 10654), (2283, 8106), (2702, 6849), (3474, 5327), (4053, 4566)]