19289790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16487}}^1$

素因数の和:16513

約数の個数: 48

約数和(自身を含む): 54014688

約数和(自身を除く): 34724898

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 16487, 32974, 49461, 82435, 98922, 148383, 164870, 214331, 247305, 296766, 428662, 494610, 642993, 741915, 1071655, 1285986, 1483830, 1928979, 2143310, 3214965, 3857958, 6429930, 9644895, 19289790]

約数ペア:

[(1, 19289790), (2, 9644895), (3, 6429930), (5, 3857958), (6, 3214965), (9, 2143310), (10, 1928979), (13, 1483830), (15, 1285986), (18, 1071655), (26, 741915), (30, 642993), (39, 494610), (45, 428662), (65, 296766), (78, 247305), (90, 214331), (117, 164870), (130, 148383), (195, 98922), (234, 82435), (390, 49461), (585, 32974), (1170, 16487)]