21888190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{115201}}^1$

素因数の和:115227

約数の個数: 16

約数和(自身を含む): 41472720

約数和(自身を除く): 19584530

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 115201, 230402, 576005, 1152010, 2188819, 4377638, 10944095, 21888190]

約数ペア:

[(1, 21888190), (2, 10944095), (5, 4377638), (10, 2188819), (19, 1152010), (38, 576005), (95, 230402), (190, 115201)]