18520364

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{1237}}^1$

素因数の和:1457

約数の個数: 24

約数和(自身を含む): 34317360

約数和(自身を除く): 15796996

約数列:

[1, 2, 4, 19, 38, 76, 197, 394, 788, 1237, 2474, 3743, 4948, 7486, 14972, 23503, 47006, 94012, 243689, 487378, 974756, 4630091, 9260182, 18520364]

約数ペア:

[(1, 18520364), (2, 9260182), (4, 4630091), (19, 974756), (38, 487378), (76, 243689), (197, 94012), (394, 47006), (788, 23503), (1237, 14972), (2474, 7486), (3743, 4948)]