18497906

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{353}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 33644160

約数和(自身を除く): 15146254

約数列:

[1, 2, 7, 14, 19, 38, 133, 197, 266, 353, 394, 706, 1379, 2471, 2758, 3743, 4942, 6707, 7486, 13414, 26201, 46949, 52402, 69541, 93898, 139082, 486787, 973574, 1321279, 2642558, 9248953, 18497906]

約数ペア:

[(1, 18497906), (2, 9248953), (7, 2642558), (14, 1321279), (19, 973574), (38, 486787), (133, 139082), (197, 93898), (266, 69541), (353, 52402), (394, 46949), (706, 26201), (1379, 13414), (2471, 7486), (2758, 6707), (3743, 4942)]