19989637

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{457}}^1$

素因数の和:588

約数の個数: 16

約数和(自身を含む): 22159872

約数和(自身を除く): 2170235

約数列:

[1, 17, 31, 83, 457, 527, 1411, 2573, 7769, 14167, 37931, 43741, 240839, 644827, 1175861, 19989637]

約数ペア:

[(1, 19989637), (17, 1175861), (31, 644827), (83, 240839), (457, 43741), (527, 37931), (1411, 14167), (2573, 7769)]