19231990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101221}}^1$

素因数の和:101247

約数の個数: 16

約数和(自身を含む): 36439920

約数和(自身を除く): 17207930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 101221, 202442, 506105, 1012210, 1923199, 3846398, 9615995, 19231990]

約数ペア:

[(1, 19231990), (2, 9615995), (5, 3846398), (10, 1923199), (19, 1012210), (38, 506105), (95, 202442), (190, 101221)]