19495788

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2659}}^1$

素因数の和:2726

約数の個数: 48

約数和(自身を含む): 50050560

約数和(自身を除く): 30554772

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 47, 52, 78, 94, 141, 156, 188, 282, 564, 611, 1222, 1833, 2444, 2659, 3666, 5318, 7332, 7977, 10636, 15954, 31908, 34567, 69134, 103701, 124973, 138268, 207402, 249946, 374919, 414804, 499892, 749838, 1499676, 1624649, 3249298, 4873947, 6498596, 9747894, 19495788]

約数ペア:

[(1, 19495788), (2, 9747894), (3, 6498596), (4, 4873947), (6, 3249298), (12, 1624649), (13, 1499676), (26, 749838), (39, 499892), (47, 414804), (52, 374919), (78, 249946), (94, 207402), (141, 138268), (156, 124973), (188, 103701), (282, 69134), (564, 34567), (611, 31908), (1222, 15954), (1833, 10636), (2444, 7977), (2659, 7332), (3666, 5318)]