218707938

素因数分解:

$2^1\times 3^4\times {\mathrm{1350049}}^1$

素因数の和:1350063

約数の個数: 20

約数和(自身を含む): 490068150

約数和(自身を除く): 271360212

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1350049, 2700098, 4050147, 8100294, 12150441, 24300882, 36451323, 72902646, 109353969, 218707938]

約数ペア:

[(1, 218707938), (2, 109353969), (3, 72902646), (6, 36451323), (9, 24300882), (18, 12150441), (27, 8100294), (54, 4050147), (81, 2700098), (162, 1350049)]