19885455

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19213}}^1$

素因数の和:19247

約数の個数: 24

約数和(自身を含む): 35968608

約数和(自身を除く): 16083153

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 19213, 57639, 96065, 172917, 288195, 441899, 864585, 1325697, 2209495, 3977091, 6628485, 19885455]

約数ペア:

[(1, 19885455), (3, 6628485), (5, 3977091), (9, 2209495), (15, 1325697), (23, 864585), (45, 441899), (69, 288195), (115, 172917), (207, 96065), (345, 57639), (1035, 19213)]