19698939

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1667}}^1$

素因数の和:1787

約数の個数: 24

約数和(自身を含む): 30964752

約数和(自身を除く): 11265813

約数列:

[1, 3, 9, 13, 39, 101, 117, 303, 909, 1313, 1667, 3939, 5001, 11817, 15003, 21671, 65013, 168367, 195039, 505101, 1515303, 2188771, 6566313, 19698939]

約数ペア:

[(1, 19698939), (3, 6566313), (9, 2188771), (13, 1515303), (39, 505101), (101, 195039), (117, 168367), (303, 65013), (909, 21671), (1313, 15003), (1667, 11817), (3939, 5001)]