18895668

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{557}}^1$

素因数の和:832

約数の個数: 48

約数和(自身を含む): 48371904

約数和(自身を除く): 29476236

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 257, 514, 557, 771, 1028, 1114, 1542, 1671, 2228, 2827, 3084, 3342, 5654, 6127, 6684, 8481, 11308, 12254, 16962, 18381, 24508, 33924, 36762, 73524, 143149, 286298, 429447, 572596, 858894, 1574639, 1717788, 3149278, 4723917, 6298556, 9447834, 18895668]

約数ペア:

[(1, 18895668), (2, 9447834), (3, 6298556), (4, 4723917), (6, 3149278), (11, 1717788), (12, 1574639), (22, 858894), (33, 572596), (44, 429447), (66, 286298), (132, 143149), (257, 73524), (514, 36762), (557, 33924), (771, 24508), (1028, 18381), (1114, 16962), (1542, 12254), (1671, 11308), (2228, 8481), (2827, 6684), (3084, 6127), (3342, 5654)]