19029712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{479}}^1$

素因数の和:691

約数の個数: 40

約数和(自身を含む): 39997440

約数和(自身を除く): 20967728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 191, 208, 382, 479, 764, 958, 1528, 1916, 2483, 3056, 3832, 4966, 6227, 7664, 9932, 12454, 19864, 24908, 39728, 49816, 91489, 99632, 182978, 365956, 731912, 1189357, 1463824, 2378714, 4757428, 9514856, 19029712]

約数ペア:

[(1, 19029712), (2, 9514856), (4, 4757428), (8, 2378714), (13, 1463824), (16, 1189357), (26, 731912), (52, 365956), (104, 182978), (191, 99632), (208, 91489), (382, 49816), (479, 39728), (764, 24908), (958, 19864), (1528, 12454), (1916, 9932), (2483, 7664), (3056, 6227), (3832, 4966)]