18965268

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1$

素因数の和:286

約数の個数: 144

約数和(自身を含む): 61326720

約数和(自身を除く): 42361452

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 19, 21, 28, 34, 36, 38, 42, 51, 57, 63, 68, 76, 84, 102, 114, 119, 126, 133, 153, 171, 204, 228, 233, 238, 252, 266, 306, 323, 342, 357, 399, 466, 476, 532, 612, 646, 684, 699, 714, 798, 932, 969, 1071, 1197, 1292, 1398, 1428, 1596, 1631, 1938, 2097, 2142, 2261, 2394, 2796, 2907, 3262, 3876, 3961, 4194, 4284, 4427, 4522, 4788, 4893, 5814, 6524, 6783, 7922, 8388, 8854, 9044, 9786, 11628, 11883, 13281, 13566, 14679, 15844, 17708, 19572, 20349, 23766, 26562, 27132, 27727, 29358, 30989, 35649, 39843, 40698, 47532, 53124, 55454, 58716, 61978, 71298, 75259, 79686, 81396, 83181, 92967, 110908, 123956, 142596, 150518, 159372, 166362, 185934, 225777, 249543, 278901, 301036, 332724, 371868, 451554, 499086, 526813, 557802, 677331, 903108, 998172, 1053626, 1115604, 1354662, 1580439, 2107252, 2709324, 3160878, 4741317, 6321756, 9482634, 18965268]

約数ペア:

[(1, 18965268), (2, 9482634), (3, 6321756), (4, 4741317), (6, 3160878), (7, 2709324), (9, 2107252), (12, 1580439), (14, 1354662), (17, 1115604), (18, 1053626), (19, 998172), (21, 903108), (28, 677331), (34, 557802), (36, 526813), (38, 499086), (42, 451554), (51, 371868), (57, 332724), (63, 301036), (68, 278901), (76, 249543), (84, 225777), (102, 185934), (114, 166362), (119, 159372), (126, 150518), (133, 142596), (153, 123956), (171, 110908), (204, 92967), (228, 83181), (233, 81396), (238, 79686), (252, 75259), (266, 71298), (306, 61978), (323, 58716), (342, 55454), (357, 53124), (399, 47532), (466, 40698), (476, 39843), (532, 35649), (612, 30989), (646, 29358), (684, 27727), (699, 27132), (714, 26562), (798, 23766), (932, 20349), (969, 19572), (1071, 17708), (1197, 15844), (1292, 14679), (1398, 13566), (1428, 13281), (1596, 11883), (1631, 11628), (1938, 9786), (2097, 9044), (2142, 8854), (2261, 8388), (2394, 7922), (2796, 6783), (2907, 6524), (3262, 5814), (3876, 4893), (3961, 4788), (4194, 4522), (4284, 4427)]