19931392

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:195

約数の個数: 72

約数和(自身を含む): 44040024

約数和(自身を除く): 24108632

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 64, 104, 106, 113, 128, 208, 212, 226, 256, 416, 424, 452, 689, 832, 848, 904, 1378, 1469, 1664, 1696, 1808, 2756, 2938, 3328, 3392, 3616, 5512, 5876, 5989, 6784, 7232, 11024, 11752, 11978, 13568, 14464, 22048, 23504, 23956, 28928, 44096, 47008, 47912, 77857, 88192, 94016, 95824, 155714, 176384, 188032, 191648, 311428, 376064, 383296, 622856, 766592, 1245712, 1533184, 2491424, 4982848, 9965696, 19931392]

約数ペア:

[(1, 19931392), (2, 9965696), (4, 4982848), (8, 2491424), (13, 1533184), (16, 1245712), (26, 766592), (32, 622856), (52, 383296), (53, 376064), (64, 311428), (104, 191648), (106, 188032), (113, 176384), (128, 155714), (208, 95824), (212, 94016), (226, 88192), (256, 77857), (416, 47912), (424, 47008), (452, 44096), (689, 28928), (832, 23956), (848, 23504), (904, 22048), (1378, 14464), (1469, 13568), (1664, 11978), (1696, 11752), (1808, 11024), (2756, 7232), (2938, 6784), (3328, 5989), (3392, 5876), (3616, 5512)]