18814005

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1$

素因数の和:527

約数の個数: 64

約数和(自身を含む): 39198720

約数和(自身を除く): 20384715

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 43, 45, 63, 105, 129, 135, 189, 215, 301, 315, 387, 463, 645, 903, 945, 1161, 1389, 1505, 1935, 2315, 2709, 3241, 4167, 4515, 5805, 6945, 8127, 9723, 12501, 13545, 16205, 19909, 20835, 29169, 40635, 48615, 59727, 62505, 87507, 99545, 139363, 145845, 179181, 298635, 418089, 437535, 537543, 696815, 895905, 1254267, 2090445, 2687715, 3762801, 6271335, 18814005]

約数ペア:

[(1, 18814005), (3, 6271335), (5, 3762801), (7, 2687715), (9, 2090445), (15, 1254267), (21, 895905), (27, 696815), (35, 537543), (43, 437535), (45, 418089), (63, 298635), (105, 179181), (129, 145845), (135, 139363), (189, 99545), (215, 87507), (301, 62505), (315, 59727), (387, 48615), (463, 40635), (645, 29169), (903, 20835), (945, 19909), (1161, 16205), (1389, 13545), (1505, 12501), (1935, 9723), (2315, 8127), (2709, 6945), (3241, 5805), (4167, 4515)]