18763580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 47355840

約数和(自身を除く): 28592260

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 29, 34, 44, 55, 58, 68, 85, 110, 116, 145, 170, 173, 187, 220, 290, 319, 340, 346, 374, 493, 580, 638, 692, 748, 865, 935, 986, 1276, 1595, 1730, 1870, 1903, 1972, 2465, 2941, 3190, 3460, 3740, 3806, 4930, 5017, 5423, 5882, 6380, 7612, 9515, 9860, 10034, 10846, 11764, 14705, 19030, 20068, 21692, 25085, 27115, 29410, 32351, 38060, 50170, 54230, 55187, 58820, 64702, 85289, 100340, 108460, 110374, 129404, 161755, 170578, 220748, 275935, 323510, 341156, 426445, 551870, 647020, 852890, 938179, 1103740, 1705780, 1876358, 3752716, 4690895, 9381790, 18763580]

約数ペア:

[(1, 18763580), (2, 9381790), (4, 4690895), (5, 3752716), (10, 1876358), (11, 1705780), (17, 1103740), (20, 938179), (22, 852890), (29, 647020), (34, 551870), (44, 426445), (55, 341156), (58, 323510), (68, 275935), (85, 220748), (110, 170578), (116, 161755), (145, 129404), (170, 110374), (173, 108460), (187, 100340), (220, 85289), (290, 64702), (319, 58820), (340, 55187), (346, 54230), (374, 50170), (493, 38060), (580, 32351), (638, 29410), (692, 27115), (748, 25085), (865, 21692), (935, 20068), (986, 19030), (1276, 14705), (1595, 11764), (1730, 10846), (1870, 10034), (1903, 9860), (1972, 9515), (2465, 7612), (2941, 6380), (3190, 5882), (3460, 5423), (3740, 5017), (3806, 4930)]