19905162

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1039}}^1$

素因数の和:1178

約数の個数: 32

約数和(自身を含む): 41533440

約数和(自身を除く): 21628278

約数列:

[1, 2, 3, 6, 31, 62, 93, 103, 186, 206, 309, 618, 1039, 2078, 3117, 3193, 6234, 6386, 9579, 19158, 32209, 64418, 96627, 107017, 193254, 214034, 321051, 642102, 3317527, 6635054, 9952581, 19905162]

約数ペア:

[(1, 19905162), (2, 9952581), (3, 6635054), (6, 3317527), (31, 642102), (62, 321051), (93, 214034), (103, 193254), (186, 107017), (206, 96627), (309, 64418), (618, 32209), (1039, 19158), (2078, 9579), (3117, 6386), (3193, 6234)]