19848537

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:630

約数の個数: 32

約数和(自身を含む): 31570560

約数和(自身を除く): 11722023

約数列:

[1, 3, 9, 17, 27, 51, 83, 153, 249, 459, 521, 747, 1411, 1563, 2241, 4233, 4689, 8857, 12699, 14067, 26571, 38097, 43243, 79713, 129729, 239139, 389187, 735131, 1167561, 2205393, 6616179, 19848537]

約数ペア:

[(1, 19848537), (3, 6616179), (9, 2205393), (17, 1167561), (27, 735131), (51, 389187), (83, 239139), (153, 129729), (249, 79713), (459, 43243), (521, 38097), (747, 26571), (1411, 14067), (1563, 12699), (2241, 8857), (4233, 4689)]