19485856

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1511}}^1$

素因数の和:1565

約数の個数: 48

約数和(自身を含む): 42674688

約数和(自身を除く): 23188832

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1511, 1612, 3022, 3224, 6044, 6448, 12088, 12896, 19643, 24176, 39286, 46841, 48352, 78572, 93682, 157144, 187364, 314288, 374728, 608933, 628576, 749456, 1217866, 1498912, 2435732, 4871464, 9742928, 19485856]

約数ペア:

[(1, 19485856), (2, 9742928), (4, 4871464), (8, 2435732), (13, 1498912), (16, 1217866), (26, 749456), (31, 628576), (32, 608933), (52, 374728), (62, 314288), (104, 187364), (124, 157144), (208, 93682), (248, 78572), (403, 48352), (416, 46841), (496, 39286), (806, 24176), (992, 19643), (1511, 12896), (1612, 12088), (3022, 6448), (3224, 6044)]