18655120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:113

約数の個数: 160

約数和(自身を含む): 53032320

約数和(自身を除く): 34377200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 29, 34, 40, 43, 44, 55, 58, 68, 80, 85, 86, 88, 110, 116, 136, 145, 170, 172, 176, 187, 215, 220, 232, 272, 290, 319, 340, 344, 374, 430, 440, 464, 473, 493, 580, 638, 680, 688, 731, 748, 860, 880, 935, 946, 986, 1160, 1247, 1276, 1360, 1462, 1496, 1595, 1720, 1870, 1892, 1972, 2320, 2365, 2465, 2494, 2552, 2924, 2992, 3190, 3440, 3655, 3740, 3784, 3944, 4730, 4930, 4988, 5104, 5423, 5848, 6235, 6380, 7310, 7480, 7568, 7888, 8041, 9460, 9860, 9976, 10846, 11696, 12470, 12760, 13717, 14620, 14960, 16082, 18920, 19720, 19952, 21199, 21692, 24940, 25520, 27115, 27434, 29240, 32164, 37840, 39440, 40205, 42398, 43384, 49880, 54230, 54868, 58480, 64328, 68585, 80410, 84796, 86768, 99760, 105995, 108460, 109736, 128656, 137170, 160820, 169592, 211990, 216920, 219472, 233189, 274340, 321640, 339184, 423980, 433840, 466378, 548680, 643280, 847960, 932756, 1097360, 1165945, 1695920, 1865512, 2331890, 3731024, 4663780, 9327560, 18655120]

約数ペア:

[(1, 18655120), (2, 9327560), (4, 4663780), (5, 3731024), (8, 2331890), (10, 1865512), (11, 1695920), (16, 1165945), (17, 1097360), (20, 932756), (22, 847960), (29, 643280), (34, 548680), (40, 466378), (43, 433840), (44, 423980), (55, 339184), (58, 321640), (68, 274340), (80, 233189), (85, 219472), (86, 216920), (88, 211990), (110, 169592), (116, 160820), (136, 137170), (145, 128656), (170, 109736), (172, 108460), (176, 105995), (187, 99760), (215, 86768), (220, 84796), (232, 80410), (272, 68585), (290, 64328), (319, 58480), (340, 54868), (344, 54230), (374, 49880), (430, 43384), (440, 42398), (464, 40205), (473, 39440), (493, 37840), (580, 32164), (638, 29240), (680, 27434), (688, 27115), (731, 25520), (748, 24940), (860, 21692), (880, 21199), (935, 19952), (946, 19720), (986, 18920), (1160, 16082), (1247, 14960), (1276, 14620), (1360, 13717), (1462, 12760), (1496, 12470), (1595, 11696), (1720, 10846), (1870, 9976), (1892, 9860), (1972, 9460), (2320, 8041), (2365, 7888), (2465, 7568), (2494, 7480), (2552, 7310), (2924, 6380), (2992, 6235), (3190, 5848), (3440, 5423), (3655, 5104), (3740, 4988), (3784, 4930), (3944, 4730)]