19424288

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{881}}^1$

素因数の和:957

約数の個数: 48

約数和(自身を含む): 42007896

約数和(自身を除く): 22583608

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 104, 106, 208, 212, 416, 424, 689, 848, 881, 1378, 1696, 1762, 2756, 3524, 5512, 7048, 11024, 11453, 14096, 22048, 22906, 28192, 45812, 46693, 91624, 93386, 183248, 186772, 366496, 373544, 607009, 747088, 1214018, 1494176, 2428036, 4856072, 9712144, 19424288]

約数ペア:

[(1, 19424288), (2, 9712144), (4, 4856072), (8, 2428036), (13, 1494176), (16, 1214018), (26, 747088), (32, 607009), (52, 373544), (53, 366496), (104, 186772), (106, 183248), (208, 93386), (212, 91624), (416, 46693), (424, 45812), (689, 28192), (848, 22906), (881, 22048), (1378, 14096), (1696, 11453), (1762, 11024), (2756, 7048), (3524, 5512)]