19758128

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{7307}}^1$

素因数の和:7341

約数の個数: 30

約数和(自身を含む): 41458284

約数和(自身を除く): 21700156

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 7307, 14614, 29228, 58456, 94991, 116912, 189982, 379964, 759928, 1234883, 1519856, 2469766, 4939532, 9879064, 19758128]

約数ペア:

[(1, 19758128), (2, 9879064), (4, 4939532), (8, 2469766), (13, 1519856), (16, 1234883), (26, 759928), (52, 379964), (104, 189982), (169, 116912), (208, 94991), (338, 58456), (676, 29228), (1352, 14614), (2704, 7307)]