19945155

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1489}}^1$

素因数の和:1563

約数の個数: 32

約数和(自身を含む): 34329600

約数和(自身を除く): 14384445

約数列:

[1, 3, 5, 15, 19, 47, 57, 95, 141, 235, 285, 705, 893, 1489, 2679, 4465, 4467, 7445, 13395, 22335, 28291, 69983, 84873, 141455, 209949, 349915, 424365, 1049745, 1329677, 3989031, 6648385, 19945155]

約数ペア:

[(1, 19945155), (3, 6648385), (5, 3989031), (15, 1329677), (19, 1049745), (47, 424365), (57, 349915), (95, 209949), (141, 141455), (235, 84873), (285, 69983), (705, 28291), (893, 22335), (1489, 13395), (2679, 7445), (4465, 4467)]