18881016

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{601}}^1$

素因数の和:645

約数の個数: 128

約数和(自身を含む): 62415360

約数和(自身を除く): 43534344

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 17, 21, 22, 24, 28, 33, 34, 42, 44, 51, 56, 66, 68, 77, 84, 88, 102, 119, 132, 136, 154, 168, 187, 204, 231, 238, 264, 308, 357, 374, 408, 462, 476, 561, 601, 616, 714, 748, 924, 952, 1122, 1202, 1309, 1428, 1496, 1803, 1848, 2244, 2404, 2618, 2856, 3606, 3927, 4207, 4488, 4808, 5236, 6611, 7212, 7854, 8414, 10217, 10472, 12621, 13222, 14424, 15708, 16828, 19833, 20434, 25242, 26444, 30651, 31416, 33656, 39666, 40868, 46277, 50484, 52888, 61302, 71519, 79332, 81736, 92554, 100968, 112387, 122604, 138831, 143038, 158664, 185108, 214557, 224774, 245208, 277662, 286076, 337161, 370216, 429114, 449548, 555324, 572152, 674322, 786709, 858228, 899096, 1110648, 1348644, 1573418, 1716456, 2360127, 2697288, 3146836, 4720254, 6293672, 9440508, 18881016]

約数ペア:

[(1, 18881016), (2, 9440508), (3, 6293672), (4, 4720254), (6, 3146836), (7, 2697288), (8, 2360127), (11, 1716456), (12, 1573418), (14, 1348644), (17, 1110648), (21, 899096), (22, 858228), (24, 786709), (28, 674322), (33, 572152), (34, 555324), (42, 449548), (44, 429114), (51, 370216), (56, 337161), (66, 286076), (68, 277662), (77, 245208), (84, 224774), (88, 214557), (102, 185108), (119, 158664), (132, 143038), (136, 138831), (154, 122604), (168, 112387), (187, 100968), (204, 92554), (231, 81736), (238, 79332), (264, 71519), (308, 61302), (357, 52888), (374, 50484), (408, 46277), (462, 40868), (476, 39666), (561, 33656), (601, 31416), (616, 30651), (714, 26444), (748, 25242), (924, 20434), (952, 19833), (1122, 16828), (1202, 15708), (1309, 14424), (1428, 13222), (1496, 12621), (1803, 10472), (1848, 10217), (2244, 8414), (2404, 7854), (2618, 7212), (2856, 6611), (3606, 5236), (3927, 4808), (4207, 4488)]