18924400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:80

約数の個数: 180

約数和(自身を含む): 55215216

約数和(自身を除く): 36290816

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 23, 25, 34, 40, 44, 46, 50, 55, 68, 80, 85, 88, 92, 100, 110, 115, 121, 136, 170, 176, 184, 187, 200, 220, 230, 242, 253, 272, 275, 340, 368, 374, 391, 400, 425, 440, 460, 484, 506, 550, 575, 605, 680, 748, 782, 850, 880, 920, 935, 968, 1012, 1100, 1150, 1210, 1265, 1360, 1496, 1564, 1700, 1840, 1870, 1936, 1955, 2024, 2057, 2200, 2300, 2420, 2530, 2783, 2992, 3025, 3128, 3400, 3740, 3910, 4048, 4114, 4301, 4400, 4600, 4675, 4840, 5060, 5566, 6050, 6256, 6325, 6800, 7480, 7820, 8228, 8602, 9200, 9350, 9680, 9775, 10120, 10285, 11132, 12100, 12650, 13915, 14960, 15640, 16456, 17204, 18700, 19550, 20240, 20570, 21505, 22264, 24200, 25300, 27830, 31280, 32912, 34408, 37400, 39100, 41140, 43010, 44528, 47311, 48400, 50600, 51425, 55660, 68816, 69575, 74800, 78200, 82280, 86020, 94622, 101200, 102850, 107525, 111320, 139150, 156400, 164560, 172040, 189244, 205700, 215050, 222640, 236555, 278300, 344080, 378488, 411400, 430100, 473110, 556600, 756976, 822800, 860200, 946220, 1113200, 1182775, 1720400, 1892440, 2365550, 3784880, 4731100, 9462200, 18924400]

約数ペア:

[(1, 18924400), (2, 9462200), (4, 4731100), (5, 3784880), (8, 2365550), (10, 1892440), (11, 1720400), (16, 1182775), (17, 1113200), (20, 946220), (22, 860200), (23, 822800), (25, 756976), (34, 556600), (40, 473110), (44, 430100), (46, 411400), (50, 378488), (55, 344080), (68, 278300), (80, 236555), (85, 222640), (88, 215050), (92, 205700), (100, 189244), (110, 172040), (115, 164560), (121, 156400), (136, 139150), (170, 111320), (176, 107525), (184, 102850), (187, 101200), (200, 94622), (220, 86020), (230, 82280), (242, 78200), (253, 74800), (272, 69575), (275, 68816), (340, 55660), (368, 51425), (374, 50600), (391, 48400), (400, 47311), (425, 44528), (440, 43010), (460, 41140), (484, 39100), (506, 37400), (550, 34408), (575, 32912), (605, 31280), (680, 27830), (748, 25300), (782, 24200), (850, 22264), (880, 21505), (920, 20570), (935, 20240), (968, 19550), (1012, 18700), (1100, 17204), (1150, 16456), (1210, 15640), (1265, 14960), (1360, 13915), (1496, 12650), (1564, 12100), (1700, 11132), (1840, 10285), (1870, 10120), (1936, 9775), (1955, 9680), (2024, 9350), (2057, 9200), (2200, 8602), (2300, 8228), (2420, 7820), (2530, 7480), (2783, 6800), (2992, 6325), (3025, 6256), (3128, 6050), (3400, 5566), (3740, 5060), (3910, 4840), (4048, 4675), (4114, 4600), (4301, 4400)]