19955572

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{751}}^1$

素因数の和:848

約数の個数: 48

約数和(自身を含む): 43628032

約数和(自身を除く): 23672460

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 73, 91, 146, 182, 292, 364, 511, 751, 949, 1022, 1502, 1898, 2044, 3004, 3796, 5257, 6643, 9763, 10514, 13286, 19526, 21028, 26572, 39052, 54823, 68341, 109646, 136682, 219292, 273364, 383761, 712699, 767522, 1425398, 1535044, 2850796, 4988893, 9977786, 19955572]

約数ペア:

[(1, 19955572), (2, 9977786), (4, 4988893), (7, 2850796), (13, 1535044), (14, 1425398), (26, 767522), (28, 712699), (52, 383761), (73, 273364), (91, 219292), (146, 136682), (182, 109646), (292, 68341), (364, 54823), (511, 39052), (751, 26572), (949, 21028), (1022, 19526), (1502, 13286), (1898, 10514), (2044, 9763), (3004, 6643), (3796, 5257)]