19762850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:395

約数の個数: 48

約数和(自身を含む): 39372480

約数和(自身を除く): 19609630

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 71, 95, 142, 190, 293, 355, 475, 586, 710, 950, 1349, 1465, 1775, 2698, 2930, 3550, 5567, 6745, 7325, 11134, 13490, 14650, 20803, 27835, 33725, 41606, 55670, 67450, 104015, 139175, 208030, 278350, 395257, 520075, 790514, 1040150, 1976285, 3952570, 9881425, 19762850]

約数ペア:

[(1, 19762850), (2, 9881425), (5, 3952570), (10, 1976285), (19, 1040150), (25, 790514), (38, 520075), (50, 395257), (71, 278350), (95, 208030), (142, 139175), (190, 104015), (293, 67450), (355, 55670), (475, 41606), (586, 33725), (710, 27835), (950, 20803), (1349, 14650), (1465, 13490), (1775, 11134), (2698, 7325), (2930, 6745), (3550, 5567)]