19267269

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 30541056

約数和(自身を除く): 11273787

約数列:

[1, 3, 7, 21, 37, 111, 137, 181, 259, 411, 543, 777, 959, 1267, 2877, 3801, 5069, 6697, 15207, 20091, 24797, 35483, 46879, 74391, 106449, 140637, 173579, 520737, 917489, 2752467, 6422423, 19267269]

約数ペア:

[(1, 19267269), (3, 6422423), (7, 2752467), (21, 917489), (37, 520737), (111, 173579), (137, 140637), (181, 106449), (259, 74391), (411, 46879), (543, 35483), (777, 24797), (959, 20091), (1267, 15207), (2877, 6697), (3801, 5069)]