16428236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 33855360

約数和(自身を除く): 17427124

約数列:

[1, 2, 4, 11, 19, 22, 38, 43, 44, 76, 86, 172, 209, 418, 457, 473, 817, 836, 914, 946, 1634, 1828, 1892, 3268, 5027, 8683, 8987, 10054, 17366, 17974, 19651, 20108, 34732, 35948, 39302, 78604, 95513, 191026, 216161, 373369, 382052, 432322, 746738, 864644, 1493476, 4107059, 8214118, 16428236]

約数ペア:

[(1, 16428236), (2, 8214118), (4, 4107059), (11, 1493476), (19, 864644), (22, 746738), (38, 432322), (43, 382052), (44, 373369), (76, 216161), (86, 191026), (172, 95513), (209, 78604), (418, 39302), (457, 35948), (473, 34732), (817, 20108), (836, 19651), (914, 17974), (946, 17366), (1634, 10054), (1828, 8987), (1892, 8683), (3268, 5027)]