19246473

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 28616328

約数和(自身を除く): 9369855

約数列:

[1, 3, 9, 53, 157, 159, 257, 471, 477, 771, 1413, 2313, 8321, 13621, 24963, 40349, 40863, 74889, 121047, 122589, 363141, 2138497, 6415491, 19246473]

約数ペア:

[(1, 19246473), (3, 6415491), (9, 2138497), (53, 363141), (157, 122589), (159, 121047), (257, 74889), (471, 40863), (477, 40349), (771, 24963), (1413, 13621), (2313, 8321)]