19505538

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83357}}^1$

素因数の和:83378

約数の個数: 24

約数和(自身を含む): 45513468

約数和(自身を除く): 26007930

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 83357, 166714, 250071, 500142, 750213, 1083641, 1500426, 2167282, 3250923, 6501846, 9752769, 19505538]

約数ペア:

[(1, 19505538), (2, 9752769), (3, 6501846), (6, 3250923), (9, 2167282), (13, 1500426), (18, 1083641), (26, 750213), (39, 500142), (78, 250071), (117, 166714), (234, 83357)]