19745606912

素因数分解:

$2^8\times {\mathrm{47}}^1\times {\mathrm{1641091}}^1$

素因数の和:1641154

約数の個数: 36

約数和(自身を含む): 40252704576

約数和(自身を除く): 20507097664

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 128, 188, 256, 376, 752, 1504, 3008, 6016, 12032, 1641091, 3282182, 6564364, 13128728, 26257456, 52514912, 77131277, 105029824, 154262554, 210059648, 308525108, 420119296, 617050216, 1234100432, 2468200864, 4936401728, 9872803456, 19745606912]

約数ペア:

[(1, 19745606912), (2, 9872803456), (4, 4936401728), (8, 2468200864), (16, 1234100432), (32, 617050216), (47, 420119296), (64, 308525108), (94, 210059648), (128, 154262554), (188, 105029824), (256, 77131277), (376, 52514912), (752, 26257456), (1504, 13128728), (3008, 6564364), (6016, 3282182), (12032, 1641091)]