19723747024

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{8377}}^1$

素因数の和:8564

約数の個数: 80

約数和(自身を含む): 40690538496

約数和(自身を除く): 20966791472

約数列:

[1, 2, 4, 8, 16, 31, 47, 62, 94, 101, 124, 188, 202, 248, 376, 404, 496, 752, 808, 1457, 1616, 2914, 3131, 4747, 5828, 6262, 8377, 9494, 11656, 12524, 16754, 18988, 23312, 25048, 33508, 37976, 50096, 67016, 75952, 134032, 147157, 259687, 294314, 393719, 519374, 588628, 787438, 846077, 1038748, 1177256, 1574876, 1692154, 2077496, 2354512, 3149752, 3384308, 4154992, 6299504, 6768616, 12205289, 13537232, 24410578, 26228387, 39765619, 48821156, 52456774, 79531238, 97642312, 104913548, 159062476, 195284624, 209827096, 318124952, 419654192, 636249904, 1232734189, 2465468378, 4930936756, 9861873512, 19723747024]

約数ペア:

[(1, 19723747024), (2, 9861873512), (4, 4930936756), (8, 2465468378), (16, 1232734189), (31, 636249904), (47, 419654192), (62, 318124952), (94, 209827096), (101, 195284624), (124, 159062476), (188, 104913548), (202, 97642312), (248, 79531238), (376, 52456774), (404, 48821156), (496, 39765619), (752, 26228387), (808, 24410578), (1457, 13537232), (1616, 12205289), (2914, 6768616), (3131, 6299504), (4747, 4154992), (5828, 3384308), (6262, 3149752), (8377, 2354512), (9494, 2077496), (11656, 1692154), (12524, 1574876), (16754, 1177256), (18988, 1038748), (23312, 846077), (25048, 787438), (33508, 588628), (37976, 519374), (50096, 393719), (67016, 294314), (75952, 259687), (134032, 147157)]