19997916

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{587}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 49787136

約数和(自身を除く): 29789220

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 167, 204, 334, 501, 587, 668, 1002, 1174, 1761, 2004, 2348, 2839, 3522, 5678, 7044, 8517, 9979, 11356, 17034, 19958, 29937, 34068, 39916, 59874, 98029, 119748, 196058, 294087, 392116, 588174, 1176348, 1666493, 3332986, 4999479, 6665972, 9998958, 19997916]

約数ペア:

[(1, 19997916), (2, 9998958), (3, 6665972), (4, 4999479), (6, 3332986), (12, 1666493), (17, 1176348), (34, 588174), (51, 392116), (68, 294087), (102, 196058), (167, 119748), (204, 98029), (334, 59874), (501, 39916), (587, 34068), (668, 29937), (1002, 19958), (1174, 17034), (1761, 11356), (2004, 9979), (2348, 8517), (2839, 7044), (3522, 5678)]