19366960640

素因数分解:

$2^9\times 5^1\times {\mathrm{379}}^1\times {\mathrm{19961}}^1$

素因数の和:20363

約数の個数: 80

約数和(自身を含む): 46560167280

約数和(自身を除く): 27193206640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 379, 512, 640, 758, 1280, 1516, 1895, 2560, 3032, 3790, 6064, 7580, 12128, 15160, 19961, 24256, 30320, 39922, 48512, 60640, 79844, 97024, 99805, 121280, 159688, 194048, 199610, 242560, 319376, 399220, 485120, 638752, 798440, 970240, 1277504, 1596880, 2555008, 3193760, 5110016, 6387520, 7565219, 10220032, 12775040, 15130438, 25550080, 30260876, 37826095, 51100160, 60521752, 75652190, 121043504, 151304380, 242087008, 302608760, 484174016, 605217520, 968348032, 1210435040, 1936696064, 2420870080, 3873392128, 4841740160, 9683480320, 19366960640]

約数ペア:

[(1, 19366960640), (2, 9683480320), (4, 4841740160), (5, 3873392128), (8, 2420870080), (10, 1936696064), (16, 1210435040), (20, 968348032), (32, 605217520), (40, 484174016), (64, 302608760), (80, 242087008), (128, 151304380), (160, 121043504), (256, 75652190), (320, 60521752), (379, 51100160), (512, 37826095), (640, 30260876), (758, 25550080), (1280, 15130438), (1516, 12775040), (1895, 10220032), (2560, 7565219), (3032, 6387520), (3790, 5110016), (6064, 3193760), (7580, 2555008), (12128, 1596880), (15160, 1277504), (19961, 970240), (24256, 798440), (30320, 638752), (39922, 485120), (48512, 399220), (60640, 319376), (79844, 242560), (97024, 199610), (99805, 194048), (121280, 159688)]