18505494

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{647}}^1$

素因数の和:889

約数の個数: 48

約数和(自身を含む): 46096128

約数和(自身を除く): 27590634

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 227, 454, 647, 681, 1294, 1362, 1589, 1941, 2043, 3178, 3882, 4086, 4529, 4767, 5823, 9058, 9534, 11646, 13587, 14301, 27174, 28602, 40761, 81522, 146869, 293738, 440607, 881214, 1028083, 1321821, 2056166, 2643642, 3084249, 6168498, 9252747, 18505494]

約数ペア:

[(1, 18505494), (2, 9252747), (3, 6168498), (6, 3084249), (7, 2643642), (9, 2056166), (14, 1321821), (18, 1028083), (21, 881214), (42, 440607), (63, 293738), (126, 146869), (227, 81522), (454, 40761), (647, 28602), (681, 27174), (1294, 14301), (1362, 13587), (1589, 11646), (1941, 9534), (2043, 9058), (3178, 5823), (3882, 4767), (4086, 4529)]