2019417645

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{389}}^1\times {\mathrm{1009}}^1$

素因数の和:1427

約数の個数: 64

約数和(自身を含む): 3781440000

約数和(自身を除く): 1762022355

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 389, 735, 1009, 1029, 1167, 1715, 1945, 2723, 3027, 5045, 5145, 5835, 7063, 8169, 13615, 15135, 19061, 21189, 35315, 40845, 49441, 57183, 95305, 105945, 133427, 148323, 247205, 285915, 346087, 392501, 400281, 667135, 741615, 1038261, 1177503, 1730435, 1962505, 2001405, 2747507, 5191305, 5887515, 8242521, 13737535, 19232549, 41212605, 57697647, 96162745, 134627843, 288488235, 403883529, 673139215, 2019417645]

約数ペア:

[(1, 2019417645), (3, 673139215), (5, 403883529), (7, 288488235), (15, 134627843), (21, 96162745), (35, 57697647), (49, 41212605), (105, 19232549), (147, 13737535), (245, 8242521), (343, 5887515), (389, 5191305), (735, 2747507), (1009, 2001405), (1029, 1962505), (1167, 1730435), (1715, 1177503), (1945, 1038261), (2723, 741615), (3027, 667135), (5045, 400281), (5145, 392501), (5835, 346087), (7063, 285915), (8169, 247205), (13615, 148323), (15135, 133427), (19061, 105945), (21189, 95305), (35315, 57183), (40845, 49441)]