18845223

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1\times {\mathrm{421}}^1$

素因数の和:814

約数の個数: 16

約数和(自身を含む): 25846656

約数和(自身を除く): 7001433

約数列:

[1, 3, 43, 129, 347, 421, 1041, 1263, 14921, 18103, 44763, 54309, 146087, 438261, 6281741, 18845223]

約数ペア:

[(1, 18845223), (3, 6281741), (43, 438261), (129, 146087), (347, 54309), (421, 44763), (1041, 18103), (1263, 14921)]