18130750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 39087360

約数和(自身を除く): 20956610

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 125, 190, 209, 250, 275, 347, 418, 475, 550, 694, 950, 1045, 1375, 1735, 2090, 2375, 2750, 3470, 3817, 4750, 5225, 6593, 7634, 8675, 10450, 13186, 17350, 19085, 26125, 32965, 38170, 43375, 52250, 65930, 72523, 86750, 95425, 145046, 164825, 190850, 329650, 362615, 477125, 725230, 824125, 954250, 1648250, 1813075, 3626150, 9065375, 18130750]

約数ペア:

[(1, 18130750), (2, 9065375), (5, 3626150), (10, 1813075), (11, 1648250), (19, 954250), (22, 824125), (25, 725230), (38, 477125), (50, 362615), (55, 329650), (95, 190850), (110, 164825), (125, 145046), (190, 95425), (209, 86750), (250, 72523), (275, 65930), (347, 52250), (418, 43375), (475, 38170), (550, 32965), (694, 26125), (950, 19085), (1045, 17350), (1375, 13186), (1735, 10450), (2090, 8675), (2375, 7634), (2750, 6593), (3470, 5225), (3817, 4750)]