19101537

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 34489728

約数和(自身を除く): 15388191

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 83, 91, 117, 249, 273, 281, 581, 747, 819, 843, 1079, 1743, 1967, 2529, 3237, 3653, 5229, 5901, 7553, 9711, 10959, 17703, 22659, 23323, 25571, 32877, 67977, 69969, 76713, 163261, 209907, 230139, 303199, 489783, 909597, 1469349, 2122393, 2728791, 6367179, 19101537]

約数ペア:

[(1, 19101537), (3, 6367179), (7, 2728791), (9, 2122393), (13, 1469349), (21, 909597), (39, 489783), (63, 303199), (83, 230139), (91, 209907), (117, 163261), (249, 76713), (273, 69969), (281, 67977), (581, 32877), (747, 25571), (819, 23323), (843, 22659), (1079, 17703), (1743, 10959), (1967, 9711), (2529, 7553), (3237, 5901), (3653, 5229)]