18275188

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 35452480

約数和(自身を除く): 17177292

約数列:

[1, 2, 4, 19, 37, 38, 67, 74, 76, 97, 134, 148, 194, 268, 388, 703, 1273, 1406, 1843, 2479, 2546, 2812, 3589, 3686, 4958, 5092, 6499, 7178, 7372, 9916, 12998, 14356, 25996, 47101, 68191, 94202, 123481, 136382, 188404, 240463, 246962, 272764, 480926, 493924, 961852, 4568797, 9137594, 18275188]

約数ペア:

[(1, 18275188), (2, 9137594), (4, 4568797), (19, 961852), (37, 493924), (38, 480926), (67, 272764), (74, 246962), (76, 240463), (97, 188404), (134, 136382), (148, 123481), (194, 94202), (268, 68191), (388, 47101), (703, 25996), (1273, 14356), (1406, 12998), (1843, 9916), (2479, 7372), (2546, 7178), (2812, 6499), (3589, 5092), (3686, 4958)]