19136481

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{367}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 31653888

約数和(自身を除く): 12517407

約数列:

[1, 3, 7, 13, 21, 39, 91, 191, 273, 367, 573, 1101, 1337, 2483, 2569, 4011, 4771, 7449, 7707, 14313, 17381, 33397, 52143, 70097, 100191, 210291, 490679, 911261, 1472037, 2733783, 6378827, 19136481]

約数ペア:

[(1, 19136481), (3, 6378827), (7, 2733783), (13, 1472037), (21, 911261), (39, 490679), (91, 210291), (191, 100191), (273, 70097), (367, 52143), (573, 33397), (1101, 17381), (1337, 14313), (2483, 7707), (2569, 7449), (4011, 4771)]