20189842472

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{373}}^1\times {\mathrm{6719}}^1$

素因数の和:7170

約数の個数: 64

約数和(自身を含む): 40715136000

約数和(自身を除く): 20525293528

約数列:

[1, 2, 4, 8, 19, 38, 53, 76, 106, 152, 212, 373, 424, 746, 1007, 1492, 2014, 2984, 4028, 6719, 7087, 8056, 13438, 14174, 19769, 26876, 28348, 39538, 53752, 56696, 79076, 127661, 158152, 255322, 356107, 375611, 510644, 712214, 751222, 1021288, 1424428, 1502444, 2506187, 2848856, 3004888, 5012374, 6766033, 10024748, 13532066, 20049496, 27064132, 47617553, 54128264, 95235106, 132827911, 190470212, 265655822, 380940424, 531311644, 1062623288, 2523730309, 5047460618, 10094921236, 20189842472]

約数ペア:

[(1, 20189842472), (2, 10094921236), (4, 5047460618), (8, 2523730309), (19, 1062623288), (38, 531311644), (53, 380940424), (76, 265655822), (106, 190470212), (152, 132827911), (212, 95235106), (373, 54128264), (424, 47617553), (746, 27064132), (1007, 20049496), (1492, 13532066), (2014, 10024748), (2984, 6766033), (4028, 5012374), (6719, 3004888), (7087, 2848856), (8056, 2506187), (13438, 1502444), (14174, 1424428), (19769, 1021288), (26876, 751222), (28348, 712214), (39538, 510644), (53752, 375611), (56696, 356107), (79076, 255322), (127661, 158152)]