18740554

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1489}}^1$

素因数の和:1558

約数の個数: 32

約数和(自身を含む): 34329600

約数和(自身を除く): 15589046

約数列:

[1, 2, 7, 14, 29, 31, 58, 62, 203, 217, 406, 434, 899, 1489, 1798, 2978, 6293, 10423, 12586, 20846, 43181, 46159, 86362, 92318, 302267, 323113, 604534, 646226, 1338611, 2677222, 9370277, 18740554]

約数ペア:

[(1, 18740554), (2, 9370277), (7, 2677222), (14, 1338611), (29, 646226), (31, 604534), (58, 323113), (62, 302267), (203, 92318), (217, 86362), (406, 46159), (434, 43181), (899, 20846), (1489, 12586), (1798, 10423), (2978, 6293)]