18878874

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 46262016

約数和(自身を除く): 27383142

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 137, 193, 238, 274, 357, 386, 411, 579, 714, 822, 959, 1158, 1351, 1918, 2329, 2702, 2877, 3281, 4053, 4658, 5754, 6562, 6987, 8106, 9843, 13974, 16303, 19686, 22967, 26441, 32606, 45934, 48909, 52882, 68901, 79323, 97818, 137802, 158646, 185087, 370174, 449497, 555261, 898994, 1110522, 1348491, 2696982, 3146479, 6292958, 9439437, 18878874]

約数ペア:

[(1, 18878874), (2, 9439437), (3, 6292958), (6, 3146479), (7, 2696982), (14, 1348491), (17, 1110522), (21, 898994), (34, 555261), (42, 449497), (51, 370174), (102, 185087), (119, 158646), (137, 137802), (193, 97818), (238, 79323), (274, 68901), (357, 52882), (386, 48909), (411, 45934), (579, 32606), (714, 26441), (822, 22967), (959, 19686), (1158, 16303), (1351, 13974), (1918, 9843), (2329, 8106), (2702, 6987), (2877, 6562), (3281, 5754), (4053, 4658)]