19633215

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{647}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 38195712

約数和(自身を除く): 18562497

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 289, 357, 595, 647, 867, 1445, 1785, 1941, 2023, 3235, 4335, 4529, 6069, 9705, 10115, 10999, 13587, 22645, 30345, 32997, 54995, 67935, 76993, 164985, 186983, 230979, 384965, 560949, 934915, 1154895, 1308881, 2804745, 3926643, 6544405, 19633215]

約数ペア:

[(1, 19633215), (3, 6544405), (5, 3926643), (7, 2804745), (15, 1308881), (17, 1154895), (21, 934915), (35, 560949), (51, 384965), (85, 230979), (105, 186983), (119, 164985), (255, 76993), (289, 67935), (357, 54995), (595, 32997), (647, 30345), (867, 22645), (1445, 13587), (1785, 10999), (1941, 10115), (2023, 9705), (3235, 6069), (4335, 4529)]