18978384

素因数分解:

$2^4\times 3^1\times {\mathrm{395383}}^1$

素因数の和:395394

約数の個数: 20

約数和(自身を含む): 49027616

約数和(自身を除く): 30049232

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 395383, 790766, 1186149, 1581532, 2372298, 3163064, 4744596, 6326128, 9489192, 18978384]

約数ペア:

[(1, 18978384), (2, 9489192), (3, 6326128), (4, 4744596), (6, 3163064), (8, 2372298), (12, 1581532), (16, 1186149), (24, 790766), (48, 395383)]