18910732

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 36747648

約数和(自身を除く): 17836916

約数列:

[1, 2, 4, 17, 34, 47, 61, 68, 94, 97, 122, 188, 194, 244, 388, 799, 1037, 1598, 1649, 2074, 2867, 3196, 3298, 4148, 4559, 5734, 5917, 6596, 9118, 11468, 11834, 18236, 23668, 48739, 77503, 97478, 100589, 155006, 194956, 201178, 278099, 310012, 402356, 556198, 1112396, 4727683, 9455366, 18910732]

約数ペア:

[(1, 18910732), (2, 9455366), (4, 4727683), (17, 1112396), (34, 556198), (47, 402356), (61, 310012), (68, 278099), (94, 201178), (97, 194956), (122, 155006), (188, 100589), (194, 97478), (244, 77503), (388, 48739), (799, 23668), (1037, 18236), (1598, 11834), (1649, 11468), (2074, 9118), (2867, 6596), (3196, 5917), (3298, 5734), (4148, 4559)]