19511988

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{947}}^1$

素因数の和:1072

約数の個数: 48

約数和(自身を含む): 48734784

約数和(自身を除く): 29222796

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 101, 102, 202, 204, 303, 404, 606, 947, 1212, 1717, 1894, 2841, 3434, 3788, 5151, 5682, 6868, 10302, 11364, 16099, 20604, 32198, 48297, 64396, 95647, 96594, 191294, 193188, 286941, 382588, 573882, 1147764, 1625999, 3251998, 4877997, 6503996, 9755994, 19511988]

約数ペア:

[(1, 19511988), (2, 9755994), (3, 6503996), (4, 4877997), (6, 3251998), (12, 1625999), (17, 1147764), (34, 573882), (51, 382588), (68, 286941), (101, 193188), (102, 191294), (202, 96594), (204, 95647), (303, 64396), (404, 48297), (606, 32198), (947, 20604), (1212, 16099), (1717, 11364), (1894, 10302), (2841, 6868), (3434, 5682), (3788, 5151)]