18004360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:151

約数の個数: 128

約数和(自身を含む): 48988800

約数和(自身を除く): 30984440

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 29, 34, 40, 44, 55, 58, 68, 83, 85, 88, 110, 116, 136, 145, 166, 170, 187, 220, 232, 290, 319, 332, 340, 374, 415, 440, 493, 580, 638, 664, 680, 748, 830, 913, 935, 986, 1160, 1276, 1411, 1496, 1595, 1660, 1826, 1870, 1972, 2407, 2465, 2552, 2822, 3190, 3320, 3652, 3740, 3944, 4565, 4814, 4930, 5423, 5644, 6380, 7055, 7304, 7480, 9130, 9628, 9860, 10846, 11288, 12035, 12760, 14110, 15521, 18260, 19256, 19720, 21692, 24070, 26477, 27115, 28220, 31042, 36520, 40919, 43384, 48140, 52954, 54230, 56440, 62084, 77605, 81838, 96280, 105908, 108460, 124168, 132385, 155210, 163676, 204595, 211816, 216920, 264770, 310420, 327352, 409190, 450109, 529540, 620840, 818380, 900218, 1059080, 1636760, 1800436, 2250545, 3600872, 4501090, 9002180, 18004360]

約数ペア:

[(1, 18004360), (2, 9002180), (4, 4501090), (5, 3600872), (8, 2250545), (10, 1800436), (11, 1636760), (17, 1059080), (20, 900218), (22, 818380), (29, 620840), (34, 529540), (40, 450109), (44, 409190), (55, 327352), (58, 310420), (68, 264770), (83, 216920), (85, 211816), (88, 204595), (110, 163676), (116, 155210), (136, 132385), (145, 124168), (166, 108460), (170, 105908), (187, 96280), (220, 81838), (232, 77605), (290, 62084), (319, 56440), (332, 54230), (340, 52954), (374, 48140), (415, 43384), (440, 40919), (493, 36520), (580, 31042), (638, 28220), (664, 27115), (680, 26477), (748, 24070), (830, 21692), (913, 19720), (935, 19256), (986, 18260), (1160, 15521), (1276, 14110), (1411, 12760), (1496, 12035), (1595, 11288), (1660, 10846), (1826, 9860), (1870, 9628), (1972, 9130), (2407, 7480), (2465, 7304), (2552, 7055), (2822, 6380), (3190, 5644), (3320, 5423), (3652, 4930), (3740, 4814), (3944, 4565)]