18639888

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:512

約数の個数: 80

約数和(自身を含む): 52068096

約数和(自身を除く): 33428208

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 53, 68, 102, 106, 136, 159, 204, 212, 272, 318, 408, 424, 431, 636, 816, 848, 862, 901, 1272, 1293, 1724, 1802, 2544, 2586, 2703, 3448, 3604, 5172, 5406, 6896, 7208, 7327, 10344, 10812, 14416, 14654, 20688, 21624, 21981, 22843, 29308, 43248, 43962, 45686, 58616, 68529, 87924, 91372, 117232, 137058, 175848, 182744, 274116, 351696, 365488, 388331, 548232, 776662, 1096464, 1164993, 1553324, 2329986, 3106648, 4659972, 6213296, 9319944, 18639888]

約数ペア:

[(1, 18639888), (2, 9319944), (3, 6213296), (4, 4659972), (6, 3106648), (8, 2329986), (12, 1553324), (16, 1164993), (17, 1096464), (24, 776662), (34, 548232), (48, 388331), (51, 365488), (53, 351696), (68, 274116), (102, 182744), (106, 175848), (136, 137058), (159, 117232), (204, 91372), (212, 87924), (272, 68529), (318, 58616), (408, 45686), (424, 43962), (431, 43248), (636, 29308), (816, 22843), (848, 21981), (862, 21624), (901, 20688), (1272, 14654), (1293, 14416), (1724, 10812), (1802, 10344), (2544, 7327), (2586, 7208), (2703, 6896), (3448, 5406), (3604, 5172)]