2018396828

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{1553}}^1$

素因数の和:1939

約数の個数: 72

約数和(自身を含む): 4340322000

約数和(自身を除く): 2321925172

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 349, 532, 698, 931, 1396, 1553, 1862, 2443, 3106, 3724, 4886, 6212, 6631, 9772, 10871, 13262, 17101, 21742, 26524, 29507, 34202, 43484, 46417, 59014, 68404, 76097, 92834, 118028, 152194, 185668, 206549, 304388, 324919, 413098, 541997, 649838, 826196, 1083994, 1299676, 1445843, 2167988, 2891686, 3793979, 5783372, 7587958, 10297943, 15175916, 20595886, 26557853, 41191772, 53115706, 72085601, 106231412, 144171202, 288342404, 504599207, 1009198414, 2018396828]

約数ペア:

[(1, 2018396828), (2, 1009198414), (4, 504599207), (7, 288342404), (14, 144171202), (19, 106231412), (28, 72085601), (38, 53115706), (49, 41191772), (76, 26557853), (98, 20595886), (133, 15175916), (196, 10297943), (266, 7587958), (349, 5783372), (532, 3793979), (698, 2891686), (931, 2167988), (1396, 1445843), (1553, 1299676), (1862, 1083994), (2443, 826196), (3106, 649838), (3724, 541997), (4886, 413098), (6212, 324919), (6631, 304388), (9772, 206549), (10871, 185668), (13262, 152194), (17101, 118028), (21742, 92834), (26524, 76097), (29507, 68404), (34202, 59014), (43484, 46417)]