19805381556

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{749863}}^1$

素因数の和:749972

約数の個数: 48

約数和(自身を含む): 48375226368

約数和(自身を除く): 28569844812

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 71, 93, 124, 142, 186, 213, 284, 372, 426, 852, 2201, 4402, 6603, 8804, 13206, 26412, 749863, 1499726, 2249589, 2999452, 4499178, 8998356, 23245753, 46491506, 53240273, 69737259, 92983012, 106480546, 139474518, 159720819, 212961092, 278949036, 319441638, 638883276, 1650448463, 3300896926, 4951345389, 6601793852, 9902690778, 19805381556]

約数ペア:

[(1, 19805381556), (2, 9902690778), (3, 6601793852), (4, 4951345389), (6, 3300896926), (12, 1650448463), (31, 638883276), (62, 319441638), (71, 278949036), (93, 212961092), (124, 159720819), (142, 139474518), (186, 106480546), (213, 92983012), (284, 69737259), (372, 53240273), (426, 46491506), (852, 23245753), (2201, 8998356), (4402, 4499178), (6603, 2999452), (8804, 2249589), (13206, 1499726), (26412, 749863)]