19712917521

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{587}}^1\times {\mathrm{2671}}^1$

素因数の和:3402

約数の個数: 48

約数和(自身を含む): 31372443648

約数和(自身を除く): 11659526127

約数列:

[1, 3, 9, 11, 33, 99, 127, 381, 587, 1143, 1397, 1761, 2671, 4191, 5283, 6457, 8013, 12573, 19371, 24039, 29381, 58113, 74549, 88143, 223647, 264429, 339217, 670941, 820039, 1017651, 1567877, 2460117, 3052953, 3731387, 4703631, 7380351, 11194161, 14110893, 17246647, 33582483, 51739941, 155219823, 199120379, 597361137, 1792083411, 2190324169, 6570972507, 19712917521]

約数ペア:

[(1, 19712917521), (3, 6570972507), (9, 2190324169), (11, 1792083411), (33, 597361137), (99, 199120379), (127, 155219823), (381, 51739941), (587, 33582483), (1143, 17246647), (1397, 14110893), (1761, 11194161), (2671, 7380351), (4191, 4703631), (5283, 3731387), (6457, 3052953), (8013, 2460117), (12573, 1567877), (19371, 1017651), (24039, 820039), (29381, 670941), (58113, 339217), (74549, 264429), (88143, 223647)]