1947731864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{18728191}}^1$

素因数の和:18728210

約数の個数: 16

約数和(自身を含む): 3932920320

約数和(自身を除く): 1985188456

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 18728191, 37456382, 74912764, 149825528, 243466483, 486932966, 973865932, 1947731864]

約数ペア:

[(1, 1947731864), (2, 973865932), (4, 486932966), (8, 243466483), (13, 149825528), (26, 74912764), (52, 37456382), (104, 18728191)]