19144839

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 32306688

約数和(自身を除く): 13161849

約数列:

[1, 3, 7, 17, 21, 47, 49, 51, 119, 141, 147, 163, 329, 357, 489, 799, 833, 987, 1141, 2303, 2397, 2499, 2771, 3423, 5593, 6909, 7661, 7987, 8313, 16779, 19397, 22983, 23961, 39151, 53627, 58191, 117453, 130237, 135779, 160881, 375389, 390711, 407337, 911659, 1126167, 2734977, 6381613, 19144839]

約数ペア:

[(1, 19144839), (3, 6381613), (7, 2734977), (17, 1126167), (21, 911659), (47, 407337), (49, 390711), (51, 375389), (119, 160881), (141, 135779), (147, 130237), (163, 117453), (329, 58191), (357, 53627), (489, 39151), (799, 23961), (833, 22983), (987, 19397), (1141, 16779), (2303, 8313), (2397, 7987), (2499, 7661), (2771, 6909), (3423, 5593)]