19586890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{137}}^1$

素因数の和:219

約数の個数: 48

約数和(自身を含む): 38944152

約数和(自身を除く): 19357262

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 137, 145, 170, 274, 290, 493, 685, 841, 986, 1370, 1682, 2329, 2465, 3973, 4205, 4658, 4930, 7946, 8410, 11645, 14297, 19865, 23290, 28594, 39730, 67541, 71485, 115217, 135082, 142970, 230434, 337705, 576085, 675410, 1152170, 1958689, 3917378, 9793445, 19586890]

約数ペア:

[(1, 19586890), (2, 9793445), (5, 3917378), (10, 1958689), (17, 1152170), (29, 675410), (34, 576085), (58, 337705), (85, 230434), (137, 142970), (145, 135082), (170, 115217), (274, 71485), (290, 67541), (493, 39730), (685, 28594), (841, 23290), (986, 19865), (1370, 14297), (1682, 11645), (2329, 8410), (2465, 7946), (3973, 4930), (4205, 4658)]