18881136

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:203

約数の個数: 120

約数和(自身を含む): 57000320

約数和(自身を除く): 38119184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 67, 72, 76, 103, 114, 134, 144, 152, 171, 201, 206, 228, 268, 304, 309, 342, 402, 412, 456, 536, 603, 618, 684, 804, 824, 912, 927, 1072, 1206, 1236, 1273, 1368, 1608, 1648, 1854, 1957, 2412, 2472, 2546, 2736, 3216, 3708, 3819, 3914, 4824, 4944, 5092, 5871, 6901, 7416, 7638, 7828, 9648, 10184, 11457, 11742, 13802, 14832, 15276, 15656, 17613, 20368, 20703, 22914, 23484, 27604, 30552, 31312, 35226, 41406, 45828, 46968, 55208, 61104, 62109, 70452, 82812, 91656, 93936, 110416, 124218, 131119, 140904, 165624, 183312, 248436, 262238, 281808, 331248, 393357, 496872, 524476, 786714, 993744, 1048952, 1180071, 1573428, 2097904, 2360142, 3146856, 4720284, 6293712, 9440568, 18881136]

約数ペア:

[(1, 18881136), (2, 9440568), (3, 6293712), (4, 4720284), (6, 3146856), (8, 2360142), (9, 2097904), (12, 1573428), (16, 1180071), (18, 1048952), (19, 993744), (24, 786714), (36, 524476), (38, 496872), (48, 393357), (57, 331248), (67, 281808), (72, 262238), (76, 248436), (103, 183312), (114, 165624), (134, 140904), (144, 131119), (152, 124218), (171, 110416), (201, 93936), (206, 91656), (228, 82812), (268, 70452), (304, 62109), (309, 61104), (342, 55208), (402, 46968), (412, 45828), (456, 41406), (536, 35226), (603, 31312), (618, 30552), (684, 27604), (804, 23484), (824, 22914), (912, 20703), (927, 20368), (1072, 17613), (1206, 15656), (1236, 15276), (1273, 14832), (1368, 13802), (1608, 11742), (1648, 11457), (1854, 10184), (1957, 9648), (2412, 7828), (2472, 7638), (2546, 7416), (2736, 6901), (3216, 5871), (3708, 5092), (3819, 4944), (3914, 4824)]