16490404

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 35123200

約数和(自身を除く): 18632796

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 139, 223, 266, 278, 446, 532, 556, 892, 973, 1561, 1946, 2641, 3122, 3892, 4237, 5282, 6244, 8474, 10564, 16948, 18487, 29659, 30997, 36974, 59318, 61994, 73948, 118636, 123988, 216979, 433958, 588943, 867916, 1177886, 2355772, 4122601, 8245202, 16490404]

約数ペア:

[(1, 16490404), (2, 8245202), (4, 4122601), (7, 2355772), (14, 1177886), (19, 867916), (28, 588943), (38, 433958), (76, 216979), (133, 123988), (139, 118636), (223, 73948), (266, 61994), (278, 59318), (446, 36974), (532, 30997), (556, 29659), (892, 18487), (973, 16948), (1561, 10564), (1946, 8474), (2641, 6244), (3122, 5282), (3892, 4237)]