19557288

素因数分解:

$2^3\times 3^4\times {\mathrm{30181}}^1$

素因数の和:30199

約数の個数: 40

約数和(自身を含む): 54780330

約数和(自身を除く): 35223042

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 30181, 60362, 90543, 120724, 181086, 241448, 271629, 362172, 543258, 724344, 814887, 1086516, 1629774, 2173032, 2444661, 3259548, 4889322, 6519096, 9778644, 19557288]

約数ペア:

[(1, 19557288), (2, 9778644), (3, 6519096), (4, 4889322), (6, 3259548), (8, 2444661), (9, 2173032), (12, 1629774), (18, 1086516), (24, 814887), (27, 724344), (36, 543258), (54, 362172), (72, 271629), (81, 241448), (108, 181086), (162, 120724), (216, 90543), (324, 60362), (648, 30181)]