19732895

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1399}}^1$

素因数の和:1455

約数の個数: 32

約数和(自身を含む): 30105600

約数和(自身を除く): 10372705

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 217, 403, 455, 1085, 1399, 2015, 2821, 6995, 9793, 14105, 18187, 43369, 48965, 90935, 127309, 216845, 303583, 563797, 636545, 1517915, 2818985, 3946579, 19732895]

約数ペア:

[(1, 19732895), (5, 3946579), (7, 2818985), (13, 1517915), (31, 636545), (35, 563797), (65, 303583), (91, 216845), (155, 127309), (217, 90935), (403, 48965), (455, 43369), (1085, 18187), (1399, 14105), (2015, 9793), (2821, 6995)]