19217880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:262

約数の個数: 192

約数和(自身を含む): 71435520

約数和(自身を除く): 52217640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 23, 24, 30, 33, 36, 40, 44, 45, 46, 55, 60, 66, 69, 72, 88, 90, 92, 99, 110, 115, 120, 132, 138, 165, 180, 184, 198, 207, 211, 220, 230, 253, 264, 276, 330, 345, 360, 396, 414, 422, 440, 460, 495, 506, 552, 633, 660, 690, 759, 792, 828, 844, 920, 990, 1012, 1035, 1055, 1265, 1266, 1320, 1380, 1518, 1656, 1688, 1899, 1980, 2024, 2070, 2110, 2277, 2321, 2530, 2532, 2760, 3036, 3165, 3795, 3798, 3960, 4140, 4220, 4554, 4642, 4853, 5060, 5064, 6072, 6330, 6963, 7590, 7596, 8280, 8440, 9108, 9284, 9495, 9706, 10120, 11385, 11605, 12660, 13926, 14559, 15180, 15192, 18216, 18568, 18990, 19412, 20889, 22770, 23210, 24265, 25320, 27852, 29118, 30360, 34815, 37980, 38824, 41778, 43677, 45540, 46420, 48530, 53383, 55704, 58236, 69630, 72795, 75960, 83556, 87354, 91080, 92840, 97060, 104445, 106766, 116472, 139260, 145590, 160149, 167112, 174708, 194120, 208890, 213532, 218385, 266915, 278520, 291180, 320298, 349416, 417780, 427064, 436770, 480447, 533830, 582360, 640596, 800745, 835560, 873540, 960894, 1067660, 1281192, 1601490, 1747080, 1921788, 2135320, 2402235, 3202980, 3843576, 4804470, 6405960, 9608940, 19217880]

約数ペア:

[(1, 19217880), (2, 9608940), (3, 6405960), (4, 4804470), (5, 3843576), (6, 3202980), (8, 2402235), (9, 2135320), (10, 1921788), (11, 1747080), (12, 1601490), (15, 1281192), (18, 1067660), (20, 960894), (22, 873540), (23, 835560), (24, 800745), (30, 640596), (33, 582360), (36, 533830), (40, 480447), (44, 436770), (45, 427064), (46, 417780), (55, 349416), (60, 320298), (66, 291180), (69, 278520), (72, 266915), (88, 218385), (90, 213532), (92, 208890), (99, 194120), (110, 174708), (115, 167112), (120, 160149), (132, 145590), (138, 139260), (165, 116472), (180, 106766), (184, 104445), (198, 97060), (207, 92840), (211, 91080), (220, 87354), (230, 83556), (253, 75960), (264, 72795), (276, 69630), (330, 58236), (345, 55704), (360, 53383), (396, 48530), (414, 46420), (422, 45540), (440, 43677), (460, 41778), (495, 38824), (506, 37980), (552, 34815), (633, 30360), (660, 29118), (690, 27852), (759, 25320), (792, 24265), (828, 23210), (844, 22770), (920, 20889), (990, 19412), (1012, 18990), (1035, 18568), (1055, 18216), (1265, 15192), (1266, 15180), (1320, 14559), (1380, 13926), (1518, 12660), (1656, 11605), (1688, 11385), (1899, 10120), (1980, 9706), (2024, 9495), (2070, 9284), (2110, 9108), (2277, 8440), (2321, 8280), (2530, 7596), (2532, 7590), (2760, 6963), (3036, 6330), (3165, 6072), (3795, 5064), (3798, 5060), (3960, 4853), (4140, 4642), (4220, 4554)]