19905832

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{359}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 38880000

約数和(自身を除く): 18974168

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 239, 359, 478, 718, 956, 1436, 1912, 2872, 6931, 10411, 13862, 20822, 27724, 41644, 55448, 83288, 85801, 171602, 343204, 686408, 2488229, 4976458, 9952916, 19905832]

約数ペア:

[(1, 19905832), (2, 9952916), (4, 4976458), (8, 2488229), (29, 686408), (58, 343204), (116, 171602), (232, 85801), (239, 83288), (359, 55448), (478, 41644), (718, 27724), (956, 20822), (1436, 13862), (1912, 10411), (2872, 6931)]