19999419

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{191}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 30965760

約数和(自身を除く): 10966341

約数列:

[1, 3, 11, 19, 33, 57, 167, 191, 209, 501, 573, 627, 1837, 2101, 3173, 3629, 5511, 6303, 9519, 10887, 31897, 34903, 39919, 95691, 104709, 119757, 350867, 606043, 1052601, 1818129, 6666473, 19999419]

約数ペア:

[(1, 19999419), (3, 6666473), (11, 1818129), (19, 1052601), (33, 606043), (57, 350867), (167, 119757), (191, 104709), (209, 95691), (501, 39919), (573, 34903), (627, 31897), (1837, 10887), (2101, 9519), (3173, 6303), (3629, 5511)]