19393473

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 29399040

約数和(自身を除く): 10005567

約数列:

[1, 3, 11, 33, 43, 79, 129, 173, 237, 473, 519, 869, 1419, 1903, 2607, 3397, 5709, 7439, 10191, 13667, 22317, 37367, 41001, 81829, 112101, 150337, 245487, 451011, 587681, 1763043, 6464491, 19393473]

約数ペア:

[(1, 19393473), (3, 6464491), (11, 1763043), (33, 587681), (43, 451011), (79, 245487), (129, 150337), (173, 112101), (237, 81829), (473, 41001), (519, 37367), (869, 22317), (1419, 13667), (1903, 10191), (2607, 7439), (3397, 5709)]