18719337

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{359}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 30965760

約数和(自身を除く): 12246423

約数列:

[1, 3, 7, 13, 21, 39, 91, 191, 273, 359, 573, 1077, 1337, 2483, 2513, 4011, 4667, 7449, 7539, 14001, 17381, 32669, 52143, 68569, 98007, 205707, 479983, 891397, 1439949, 2674191, 6239779, 18719337]

約数ペア:

[(1, 18719337), (3, 6239779), (7, 2674191), (13, 1439949), (21, 891397), (39, 479983), (91, 205707), (191, 98007), (273, 68569), (359, 52143), (573, 32669), (1077, 17381), (1337, 14001), (2483, 7539), (2513, 7449), (4011, 4667)]