19629645

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1571}}^1$

素因数の和:1610

約数の個数: 48

約数和(自身を含む): 38708928

約数和(自身を除く): 19079283

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 245, 255, 357, 595, 735, 833, 1571, 1785, 2499, 4165, 4713, 7855, 10997, 12495, 23565, 26707, 32991, 54985, 76979, 80121, 133535, 164955, 186949, 230937, 384895, 400605, 560847, 934745, 1154685, 1308643, 2804235, 3925929, 6543215, 19629645]

約数ペア:

[(1, 19629645), (3, 6543215), (5, 3925929), (7, 2804235), (15, 1308643), (17, 1154685), (21, 934745), (35, 560847), (49, 400605), (51, 384895), (85, 230937), (105, 186949), (119, 164955), (147, 133535), (245, 80121), (255, 76979), (357, 54985), (595, 32991), (735, 26707), (833, 23565), (1571, 12495), (1785, 10997), (2499, 7855), (4165, 4713)]