19851752

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 38188800

約数和(自身を除く): 18337048

約数列:

[1, 2, 4, 8, 79, 101, 158, 202, 311, 316, 404, 622, 632, 808, 1244, 2488, 7979, 15958, 24569, 31411, 31916, 49138, 62822, 63832, 98276, 125644, 196552, 251288, 2481469, 4962938, 9925876, 19851752]

約数ペア:

[(1, 19851752), (2, 9925876), (4, 4962938), (8, 2481469), (79, 251288), (101, 196552), (158, 125644), (202, 98276), (311, 63832), (316, 62822), (404, 49138), (622, 31916), (632, 31411), (808, 24569), (1244, 15958), (2488, 7979)]