19707246

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 47980800

約数和(自身を除く): 28273554

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 67, 78, 117, 134, 201, 234, 351, 402, 419, 603, 702, 838, 871, 1206, 1257, 1742, 1809, 2514, 2613, 3618, 3771, 5226, 5447, 7542, 7839, 10894, 11313, 15678, 16341, 22626, 23517, 28073, 32682, 47034, 49023, 56146, 84219, 98046, 147069, 168438, 252657, 294138, 364949, 505314, 729898, 757971, 1094847, 1515942, 2189694, 3284541, 6569082, 9853623, 19707246]

約数ペア:

[(1, 19707246), (2, 9853623), (3, 6569082), (6, 3284541), (9, 2189694), (13, 1515942), (18, 1094847), (26, 757971), (27, 729898), (39, 505314), (54, 364949), (67, 294138), (78, 252657), (117, 168438), (134, 147069), (201, 98046), (234, 84219), (351, 56146), (402, 49023), (419, 47034), (603, 32682), (702, 28073), (838, 23517), (871, 22626), (1206, 16341), (1257, 15678), (1742, 11313), (1809, 10894), (2514, 7839), (2613, 7542), (3618, 5447), (3771, 5226)]