18663372

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 60499712

約数和(自身を除く): 41836340

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 81, 84, 91, 108, 117, 126, 156, 162, 182, 189, 211, 234, 243, 252, 273, 324, 351, 364, 378, 422, 468, 486, 546, 567, 633, 702, 756, 819, 844, 972, 1053, 1092, 1134, 1266, 1404, 1477, 1638, 1701, 1899, 2106, 2268, 2457, 2532, 2743, 2954, 3159, 3276, 3402, 3798, 4212, 4431, 4914, 5486, 5697, 5908, 6318, 6804, 7371, 7596, 8229, 8862, 9828, 10972, 11394, 12636, 13293, 14742, 16458, 17091, 17724, 19201, 22113, 22788, 24687, 26586, 29484, 32916, 34182, 38402, 39879, 44226, 49374, 51273, 53172, 57603, 68364, 74061, 76804, 79758, 88452, 98748, 102546, 115206, 119637, 148122, 159516, 172809, 205092, 222183, 230412, 239274, 296244, 345618, 358911, 444366, 478548, 518427, 666549, 691236, 717822, 888732, 1036854, 1333098, 1435644, 1555281, 2073708, 2666196, 3110562, 4665843, 6221124, 9331686, 18663372]

約数ペア:

[(1, 18663372), (2, 9331686), (3, 6221124), (4, 4665843), (6, 3110562), (7, 2666196), (9, 2073708), (12, 1555281), (13, 1435644), (14, 1333098), (18, 1036854), (21, 888732), (26, 717822), (27, 691236), (28, 666549), (36, 518427), (39, 478548), (42, 444366), (52, 358911), (54, 345618), (63, 296244), (78, 239274), (81, 230412), (84, 222183), (91, 205092), (108, 172809), (117, 159516), (126, 148122), (156, 119637), (162, 115206), (182, 102546), (189, 98748), (211, 88452), (234, 79758), (243, 76804), (252, 74061), (273, 68364), (324, 57603), (351, 53172), (364, 51273), (378, 49374), (422, 44226), (468, 39879), (486, 38402), (546, 34182), (567, 32916), (633, 29484), (702, 26586), (756, 24687), (819, 22788), (844, 22113), (972, 19201), (1053, 17724), (1092, 17091), (1134, 16458), (1266, 14742), (1404, 13293), (1477, 12636), (1638, 11394), (1701, 10972), (1899, 9828), (2106, 8862), (2268, 8229), (2457, 7596), (2532, 7371), (2743, 6804), (2954, 6318), (3159, 5908), (3276, 5697), (3402, 5486), (3798, 4914), (4212, 4431)]