19718176

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{367}}^1$

素因数の和:473

約数の個数: 48

約数和(自身を含む): 41174784

約数和(自身を除く): 21456608

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 73, 92, 146, 184, 292, 367, 368, 584, 734, 736, 1168, 1468, 1679, 2336, 2936, 3358, 5872, 6716, 8441, 11744, 13432, 16882, 26791, 26864, 33764, 53582, 53728, 67528, 107164, 135056, 214328, 270112, 428656, 616193, 857312, 1232386, 2464772, 4929544, 9859088, 19718176]

約数ペア:

[(1, 19718176), (2, 9859088), (4, 4929544), (8, 2464772), (16, 1232386), (23, 857312), (32, 616193), (46, 428656), (73, 270112), (92, 214328), (146, 135056), (184, 107164), (292, 67528), (367, 53728), (368, 53582), (584, 33764), (734, 26864), (736, 26791), (1168, 16882), (1468, 13432), (1679, 11744), (2336, 8441), (2936, 6716), (3358, 5872)]