19172097

素因数分解:

$3^2\times 7^1\times {\mathrm{347}}^1\times {\mathrm{877}}^1$

素因数の和:1237

約数の個数: 24

約数和(自身を含む): 31776576

約数和(自身を除く): 12604479

約数列:

[1, 3, 7, 9, 21, 63, 347, 877, 1041, 2429, 2631, 3123, 6139, 7287, 7893, 18417, 21861, 55251, 304319, 912957, 2130233, 2738871, 6390699, 19172097]

約数ペア:

[(1, 19172097), (3, 6390699), (7, 2738871), (9, 2130233), (21, 912957), (63, 304319), (347, 55251), (877, 21861), (1041, 18417), (2429, 7893), (2631, 7287), (3123, 6139)]