19852755

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1669}}^1$

素因数の和:1751

約数の個数: 32

約数和(自身を含む): 34789440

約数和(自身を除く): 14936685

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 183, 195, 305, 793, 915, 1669, 2379, 3965, 5007, 8345, 11895, 21697, 25035, 65091, 101809, 108485, 305427, 325455, 509045, 1323517, 1527135, 3970551, 6617585, 19852755]

約数ペア:

[(1, 19852755), (3, 6617585), (5, 3970551), (13, 1527135), (15, 1323517), (39, 509045), (61, 325455), (65, 305427), (183, 108485), (195, 101809), (305, 65091), (793, 25035), (915, 21697), (1669, 11895), (2379, 8345), (3965, 5007)]