19841679

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 34978944

約数和(自身を除く): 15137265

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 81, 99, 117, 143, 243, 297, 351, 429, 571, 891, 1053, 1287, 1713, 2673, 3159, 3861, 5139, 6281, 7423, 11583, 15417, 18843, 22269, 34749, 46251, 56529, 66807, 81653, 138753, 169587, 200421, 244959, 508761, 601263, 734877, 1526283, 1803789, 2204631, 6613893, 19841679]

約数ペア:

[(1, 19841679), (3, 6613893), (9, 2204631), (11, 1803789), (13, 1526283), (27, 734877), (33, 601263), (39, 508761), (81, 244959), (99, 200421), (117, 169587), (143, 138753), (243, 81653), (297, 66807), (351, 56529), (429, 46251), (571, 34749), (891, 22269), (1053, 18843), (1287, 15417), (1713, 11583), (2673, 7423), (3159, 6281), (3861, 5139)]