19004128

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4153}}^1$

素因数の和:4187

約数の個数: 48

約数和(自身を含む): 43965936

約数和(自身を除く): 24961808

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 572, 1144, 2288, 4153, 4576, 8306, 16612, 33224, 45683, 53989, 66448, 91366, 107978, 132896, 182732, 215956, 365464, 431912, 593879, 730928, 863824, 1187758, 1461856, 1727648, 2375516, 4751032, 9502064, 19004128]

約数ペア:

[(1, 19004128), (2, 9502064), (4, 4751032), (8, 2375516), (11, 1727648), (13, 1461856), (16, 1187758), (22, 863824), (26, 730928), (32, 593879), (44, 431912), (52, 365464), (88, 215956), (104, 182732), (143, 132896), (176, 107978), (208, 91366), (286, 66448), (352, 53989), (416, 45683), (572, 33224), (1144, 16612), (2288, 8306), (4153, 4576)]