19726148

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 39137280

約数和(自身を除く): 19411132

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 103, 116, 127, 206, 254, 377, 412, 508, 754, 1339, 1508, 1651, 2678, 2987, 3302, 3683, 5356, 5974, 6604, 7366, 11948, 13081, 14732, 26162, 38831, 47879, 52324, 77662, 95758, 155324, 170053, 191516, 340106, 379349, 680212, 758698, 1517396, 4931537, 9863074, 19726148]

約数ペア:

[(1, 19726148), (2, 9863074), (4, 4931537), (13, 1517396), (26, 758698), (29, 680212), (52, 379349), (58, 340106), (103, 191516), (116, 170053), (127, 155324), (206, 95758), (254, 77662), (377, 52324), (412, 47879), (508, 38831), (754, 26162), (1339, 14732), (1508, 13081), (1651, 11948), (2678, 7366), (2987, 6604), (3302, 5974), (3683, 5356)]