20130918

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 44755200

約数和(自身を除く): 24624282

約数列:

[1, 2, 3, 6, 19, 38, 41, 57, 59, 73, 82, 114, 118, 123, 146, 177, 219, 246, 354, 438, 779, 1121, 1387, 1558, 2242, 2337, 2419, 2774, 2993, 3363, 4161, 4307, 4674, 4838, 5986, 6726, 7257, 8322, 8614, 8979, 12921, 14514, 17958, 25842, 45961, 56867, 81833, 91922, 113734, 137883, 163666, 170601, 176587, 245499, 275766, 341202, 353174, 490998, 529761, 1059522, 3355153, 6710306, 10065459, 20130918]

約数ペア:

[(1, 20130918), (2, 10065459), (3, 6710306), (6, 3355153), (19, 1059522), (38, 529761), (41, 490998), (57, 353174), (59, 341202), (73, 275766), (82, 245499), (114, 176587), (118, 170601), (123, 163666), (146, 137883), (177, 113734), (219, 91922), (246, 81833), (354, 56867), (438, 45961), (779, 25842), (1121, 17958), (1387, 14514), (1558, 12921), (2242, 8979), (2337, 8614), (2419, 8322), (2774, 7257), (2993, 6726), (3363, 5986), (4161, 4838), (4307, 4674)]