19306070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{709}}^1$

素因数の和:1112

約数の個数: 32

約数和(自身を含む): 39873600

約数和(自身を除く): 20567530

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 389, 709, 778, 1418, 1945, 2723, 3545, 3890, 4963, 5446, 7090, 9926, 13615, 24815, 27230, 49630, 275801, 551602, 1379005, 1930607, 2758010, 3861214, 9653035, 19306070]

約数ペア:

[(1, 19306070), (2, 9653035), (5, 3861214), (7, 2758010), (10, 1930607), (14, 1379005), (35, 551602), (70, 275801), (389, 49630), (709, 27230), (778, 24815), (1418, 13615), (1945, 9926), (2723, 7090), (3545, 5446), (3890, 4963)]