19236771

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:253

約数の個数: 40

約数和(自身を含む): 30480384

約数和(自身を除く): 11243613

約数列:

[1, 3, 9, 27, 31, 47, 81, 93, 141, 163, 279, 423, 489, 837, 1269, 1457, 1467, 2511, 3807, 4371, 4401, 5053, 7661, 13113, 13203, 15159, 22983, 39339, 45477, 68949, 118017, 136431, 206847, 237491, 409293, 620541, 712473, 2137419, 6412257, 19236771]

約数ペア:

[(1, 19236771), (3, 6412257), (9, 2137419), (27, 712473), (31, 620541), (47, 409293), (81, 237491), (93, 206847), (141, 136431), (163, 118017), (279, 68949), (423, 45477), (489, 39339), (837, 22983), (1269, 15159), (1457, 13203), (1467, 13113), (2511, 7661), (3807, 5053), (4371, 4401)]