18925128

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 54163200

約数和(自身を除く): 35238072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 61, 62, 72, 93, 122, 124, 139, 183, 186, 244, 248, 278, 279, 366, 372, 417, 488, 549, 556, 558, 732, 744, 834, 1098, 1112, 1116, 1251, 1464, 1668, 1891, 2196, 2232, 2502, 3336, 3782, 4309, 4392, 5004, 5673, 7564, 8479, 8618, 10008, 11346, 12927, 15128, 16958, 17019, 17236, 22692, 25437, 25854, 33916, 34038, 34472, 38781, 45384, 50874, 51708, 67832, 68076, 76311, 77562, 101748, 103416, 136152, 152622, 155124, 203496, 262849, 305244, 310248, 525698, 610488, 788547, 1051396, 1577094, 2102792, 2365641, 3154188, 4731282, 6308376, 9462564, 18925128]

約数ペア:

[(1, 18925128), (2, 9462564), (3, 6308376), (4, 4731282), (6, 3154188), (8, 2365641), (9, 2102792), (12, 1577094), (18, 1051396), (24, 788547), (31, 610488), (36, 525698), (61, 310248), (62, 305244), (72, 262849), (93, 203496), (122, 155124), (124, 152622), (139, 136152), (183, 103416), (186, 101748), (244, 77562), (248, 76311), (278, 68076), (279, 67832), (366, 51708), (372, 50874), (417, 45384), (488, 38781), (549, 34472), (556, 34038), (558, 33916), (732, 25854), (744, 25437), (834, 22692), (1098, 17236), (1112, 17019), (1116, 16958), (1251, 15128), (1464, 12927), (1668, 11346), (1891, 10008), (2196, 8618), (2232, 8479), (2502, 7564), (3336, 5673), (3782, 5004), (4309, 4392)]