18071988

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4721}}^1$

素因数の和:4768

約数の個数: 48

約数和(自身を含む): 47597760

約数和(自身を除く): 29525772

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 29, 33, 44, 58, 66, 87, 116, 132, 174, 319, 348, 638, 957, 1276, 1914, 3828, 4721, 9442, 14163, 18884, 28326, 51931, 56652, 103862, 136909, 155793, 207724, 273818, 311586, 410727, 547636, 623172, 821454, 1505999, 1642908, 3011998, 4517997, 6023996, 9035994, 18071988]

約数ペア:

[(1, 18071988), (2, 9035994), (3, 6023996), (4, 4517997), (6, 3011998), (11, 1642908), (12, 1505999), (22, 821454), (29, 623172), (33, 547636), (44, 410727), (58, 311586), (66, 273818), (87, 207724), (116, 155793), (132, 136909), (174, 103862), (319, 56652), (348, 51931), (638, 28326), (957, 18884), (1276, 14163), (1914, 9442), (3828, 4721)]