18739605

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1399}}^1$

素因数の和:1473

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 13516395

約数列:

[1, 3, 5, 15, 19, 47, 57, 95, 141, 235, 285, 705, 893, 1399, 2679, 4197, 4465, 6995, 13395, 20985, 26581, 65753, 79743, 132905, 197259, 328765, 398715, 986295, 1249307, 3747921, 6246535, 18739605]

約数ペア:

[(1, 18739605), (3, 6246535), (5, 3747921), (15, 1249307), (19, 986295), (47, 398715), (57, 328765), (95, 197259), (141, 132905), (235, 79743), (285, 65753), (705, 26581), (893, 20985), (1399, 13395), (2679, 6995), (4197, 4465)]