18889486

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5333}}^1$

素因数の和:5376

約数の個数: 32

約数和(自身を含む): 36868608

約数和(自身を除く): 17979122

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 506, 1771, 3542, 5333, 10666, 37331, 58663, 74662, 117326, 122659, 245318, 410641, 821282, 858613, 1349249, 1717226, 2698498, 9444743, 18889486]

約数ペア:

[(1, 18889486), (2, 9444743), (7, 2698498), (11, 1717226), (14, 1349249), (22, 858613), (23, 821282), (46, 410641), (77, 245318), (154, 122659), (161, 117326), (253, 74662), (322, 58663), (506, 37331), (1771, 10666), (3542, 5333)]