19809270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16931}}^1$

素因数の和:16957

約数の個数: 48

約数和(自身を含む): 55469232

約数和(自身を除く): 35659962

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 16931, 33862, 50793, 84655, 101586, 152379, 169310, 220103, 253965, 304758, 440206, 507930, 660309, 761895, 1100515, 1320618, 1523790, 1980927, 2201030, 3301545, 3961854, 6603090, 9904635, 19809270]

約数ペア:

[(1, 19809270), (2, 9904635), (3, 6603090), (5, 3961854), (6, 3301545), (9, 2201030), (10, 1980927), (13, 1523790), (15, 1320618), (18, 1100515), (26, 761895), (30, 660309), (39, 507930), (45, 440206), (65, 304758), (78, 253965), (90, 220103), (117, 169310), (130, 152379), (195, 101586), (234, 84655), (390, 50793), (585, 33862), (1170, 16931)]