31939836

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 80522064

約数和(自身を除く): 48582228

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 73, 76, 101, 114, 146, 202, 219, 228, 292, 303, 361, 404, 438, 606, 722, 876, 1083, 1212, 1387, 1444, 1919, 2166, 2774, 3838, 4161, 4332, 5548, 5757, 7373, 7676, 8322, 11514, 14746, 16644, 22119, 23028, 26353, 29492, 36461, 44238, 52706, 72922, 79059, 88476, 105412, 109383, 140087, 145844, 158118, 218766, 280174, 316236, 420261, 437532, 560348, 840522, 1681044, 2661653, 5323306, 7984959, 10646612, 15969918, 31939836]

約数ペア:

[(1, 31939836), (2, 15969918), (3, 10646612), (4, 7984959), (6, 5323306), (12, 2661653), (19, 1681044), (38, 840522), (57, 560348), (73, 437532), (76, 420261), (101, 316236), (114, 280174), (146, 218766), (202, 158118), (219, 145844), (228, 140087), (292, 109383), (303, 105412), (361, 88476), (404, 79059), (438, 72922), (606, 52706), (722, 44238), (876, 36461), (1083, 29492), (1212, 26353), (1387, 23028), (1444, 22119), (1919, 16644), (2166, 14746), (2774, 11514), (3838, 8322), (4161, 7676), (4332, 7373), (5548, 5757)]