19929186

素因数分解:

$2^1\times 3^3\times {\mathrm{181}}^1\times {\mathrm{2039}}^1$

素因数の和:2231

約数の個数: 32

約数和(自身を含む): 44553600

約数和(自身を除く): 24624414

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 181, 362, 543, 1086, 1629, 2039, 3258, 4078, 4887, 6117, 9774, 12234, 18351, 36702, 55053, 110106, 369059, 738118, 1107177, 2214354, 3321531, 6643062, 9964593, 19929186]

約数ペア:

[(1, 19929186), (2, 9964593), (3, 6643062), (6, 3321531), (9, 2214354), (18, 1107177), (27, 738118), (54, 369059), (181, 110106), (362, 55053), (543, 36702), (1086, 18351), (1629, 12234), (2039, 9774), (3258, 6117), (4078, 4887)]