19281795

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1621}}^1$

素因数の和:1703

約数の個数: 32

約数和(自身を含む): 33789504

約数和(自身を除く): 14507709

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 183, 195, 305, 793, 915, 1621, 2379, 3965, 4863, 8105, 11895, 21073, 24315, 63219, 98881, 105365, 296643, 316095, 494405, 1285453, 1483215, 3856359, 6427265, 19281795]

約数ペア:

[(1, 19281795), (3, 6427265), (5, 3856359), (13, 1483215), (15, 1285453), (39, 494405), (61, 316095), (65, 296643), (183, 105365), (195, 98881), (305, 63219), (793, 24315), (915, 21073), (1621, 11895), (2379, 8105), (3965, 4863)]