19808048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{95231}}^1$

素因数の和:95252

約数の個数: 20

約数和(自身を含む): 41330688

約数和(自身を除く): 21522640

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 95231, 190462, 380924, 761848, 1238003, 1523696, 2476006, 4952012, 9904024, 19808048]

約数ペア:

[(1, 19808048), (2, 9904024), (4, 4952012), (8, 2476006), (13, 1523696), (16, 1238003), (26, 761848), (52, 380924), (104, 190462), (208, 95231)]