19409104

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1$

素因数の和:548

約数の個数: 80

約数和(自身を含む): 46872000

約数和(自身を除く): 27462896

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 26, 34, 44, 52, 68, 88, 104, 136, 143, 176, 187, 208, 221, 272, 286, 374, 442, 499, 572, 748, 884, 998, 1144, 1496, 1768, 1996, 2288, 2431, 2992, 3536, 3992, 4862, 5489, 6487, 7984, 8483, 9724, 10978, 12974, 16966, 19448, 21956, 25948, 33932, 38896, 43912, 51896, 67864, 71357, 87824, 93313, 103792, 110279, 135728, 142714, 186626, 220558, 285428, 373252, 441116, 570856, 746504, 882232, 1141712, 1213069, 1493008, 1764464, 2426138, 4852276, 9704552, 19409104]

約数ペア:

[(1, 19409104), (2, 9704552), (4, 4852276), (8, 2426138), (11, 1764464), (13, 1493008), (16, 1213069), (17, 1141712), (22, 882232), (26, 746504), (34, 570856), (44, 441116), (52, 373252), (68, 285428), (88, 220558), (104, 186626), (136, 142714), (143, 135728), (176, 110279), (187, 103792), (208, 93313), (221, 87824), (272, 71357), (286, 67864), (374, 51896), (442, 43912), (499, 38896), (572, 33932), (748, 25948), (884, 21956), (998, 19448), (1144, 16966), (1496, 12974), (1768, 10978), (1996, 9724), (2288, 8483), (2431, 7984), (2992, 6487), (3536, 5489), (3992, 4862)]