19935156

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{761}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 48646080

約数和(自身を除く): 28710924

約数列:

[1, 2, 3, 4, 6, 12, 37, 59, 74, 111, 118, 148, 177, 222, 236, 354, 444, 708, 761, 1522, 2183, 2283, 3044, 4366, 4566, 6549, 8732, 9132, 13098, 26196, 28157, 44899, 56314, 84471, 89798, 112628, 134697, 168942, 179596, 269394, 337884, 538788, 1661263, 3322526, 4983789, 6645052, 9967578, 19935156]

約数ペア:

[(1, 19935156), (2, 9967578), (3, 6645052), (4, 4983789), (6, 3322526), (12, 1661263), (37, 538788), (59, 337884), (74, 269394), (111, 179596), (118, 168942), (148, 134697), (177, 112628), (222, 89798), (236, 84471), (354, 56314), (444, 44899), (708, 28157), (761, 26196), (1522, 13098), (2183, 9132), (2283, 8732), (3044, 6549), (4366, 4566)]