18715191

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:188

約数の個数: 32

約数和(自身を含む): 28343040

約数和(自身を除く): 9627849

約数列:

[1, 3, 11, 33, 43, 109, 121, 129, 327, 363, 473, 1199, 1331, 1419, 3597, 3993, 4687, 5203, 13189, 14061, 15609, 39567, 51557, 57233, 145079, 154671, 171699, 435237, 567127, 1701381, 6238397, 18715191]

約数ペア:

[(1, 18715191), (3, 6238397), (11, 1701381), (33, 567127), (43, 435237), (109, 171699), (121, 154671), (129, 145079), (327, 57233), (363, 51557), (473, 39567), (1199, 15609), (1331, 14061), (1419, 13189), (3597, 5203), (3993, 4687)]