18418218

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 96

約数和(自身を含む): 47496960

約数和(自身を除く): 29078742

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 61, 78, 79, 91, 98, 122, 147, 158, 182, 183, 237, 273, 294, 366, 427, 474, 546, 553, 637, 793, 854, 1027, 1106, 1274, 1281, 1586, 1659, 1911, 2054, 2379, 2562, 2989, 3081, 3318, 3822, 3871, 4758, 4819, 5551, 5978, 6162, 7189, 7742, 8967, 9638, 11102, 11613, 14378, 14457, 16653, 17934, 21567, 23226, 28914, 33306, 33733, 38857, 43134, 50323, 62647, 67466, 77714, 100646, 101199, 116571, 125294, 150969, 187941, 202398, 233142, 236131, 301938, 375882, 438529, 472262, 708393, 877058, 1315587, 1416786, 2631174, 3069703, 6139406, 9209109, 18418218]

約数ペア:

[(1, 18418218), (2, 9209109), (3, 6139406), (6, 3069703), (7, 2631174), (13, 1416786), (14, 1315587), (21, 877058), (26, 708393), (39, 472262), (42, 438529), (49, 375882), (61, 301938), (78, 236131), (79, 233142), (91, 202398), (98, 187941), (122, 150969), (147, 125294), (158, 116571), (182, 101199), (183, 100646), (237, 77714), (273, 67466), (294, 62647), (366, 50323), (427, 43134), (474, 38857), (546, 33733), (553, 33306), (637, 28914), (793, 23226), (854, 21567), (1027, 17934), (1106, 16653), (1274, 14457), (1281, 14378), (1586, 11613), (1659, 11102), (1911, 9638), (2054, 8967), (2379, 7742), (2562, 7189), (2989, 6162), (3081, 5978), (3318, 5551), (3822, 4819), (3871, 4758)]