18924472

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:356

約数の個数: 64

約数和(自身を含む): 43084800

約数和(自身を除く): 24160328

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 43, 56, 58, 86, 116, 172, 203, 232, 271, 301, 344, 406, 542, 602, 812, 1084, 1204, 1247, 1624, 1897, 2168, 2408, 2494, 3794, 4988, 7588, 7859, 8729, 9976, 11653, 15176, 15718, 17458, 23306, 31436, 34916, 46612, 55013, 62872, 69832, 81571, 93224, 110026, 163142, 220052, 326284, 337937, 440104, 652568, 675874, 1351748, 2365559, 2703496, 4731118, 9462236, 18924472]

約数ペア:

[(1, 18924472), (2, 9462236), (4, 4731118), (7, 2703496), (8, 2365559), (14, 1351748), (28, 675874), (29, 652568), (43, 440104), (56, 337937), (58, 326284), (86, 220052), (116, 163142), (172, 110026), (203, 93224), (232, 81571), (271, 69832), (301, 62872), (344, 55013), (406, 46612), (542, 34916), (602, 31436), (812, 23306), (1084, 17458), (1204, 15718), (1247, 15176), (1624, 11653), (1897, 9976), (2168, 8729), (2408, 7859), (2494, 7588), (3794, 4988)]