19407856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{93307}}^1$

素因数の和:93328

約数の個数: 20

約数和(自身を含む): 40495672

約数和(自身を除く): 21087816

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 93307, 186614, 373228, 746456, 1212991, 1492912, 2425982, 4851964, 9703928, 19407856]

約数ペア:

[(1, 19407856), (2, 9703928), (4, 4851964), (8, 2425982), (13, 1492912), (16, 1212991), (26, 746456), (52, 373228), (104, 186614), (208, 93307)]