19930018

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{29}}^2\times {\mathrm{41}}^1$

素因数の和:135

約数の個数: 36

約数和(自身を含む): 33692022

約数和(自身を除く): 13762004

約数列:

[1, 2, 17, 29, 34, 41, 58, 82, 289, 493, 578, 697, 841, 986, 1189, 1394, 1682, 2378, 8381, 11849, 14297, 16762, 20213, 23698, 28594, 34481, 40426, 68962, 243049, 343621, 486098, 586177, 687242, 1172354, 9965009, 19930018]

約数ペア:

[(1, 19930018), (2, 9965009), (17, 1172354), (29, 687242), (34, 586177), (41, 486098), (58, 343621), (82, 243049), (289, 68962), (493, 40426), (578, 34481), (697, 28594), (841, 23698), (986, 20213), (1189, 16762), (1394, 14297), (1682, 11849), (2378, 8381)]