19919372

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23827}}^1$

素因数の和:23861

約数の個数: 24

約数和(自身を含む): 40031040

約数和(自身を除く): 20111668

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 23827, 47654, 95308, 262097, 452713, 524194, 905426, 1048388, 1810852, 4979843, 9959686, 19919372]

約数ペア:

[(1, 19919372), (2, 9959686), (4, 4979843), (11, 1810852), (19, 1048388), (22, 905426), (38, 524194), (44, 452713), (76, 262097), (209, 95308), (418, 47654), (836, 23827)]