18629949

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 27998208

約数和(自身を除く): 9368259

約数列:

[1, 3, 13, 39, 41, 61, 123, 183, 191, 533, 573, 793, 1599, 2379, 2483, 2501, 7449, 7503, 7831, 11651, 23493, 32513, 34953, 97539, 101803, 151463, 305409, 454389, 477691, 1433073, 6209983, 18629949]

約数ペア:

[(1, 18629949), (3, 6209983), (13, 1433073), (39, 477691), (41, 454389), (61, 305409), (123, 151463), (183, 101803), (191, 97539), (533, 34953), (573, 32513), (793, 23493), (1599, 11651), (2379, 7831), (2483, 7503), (2501, 7449)]