18205910

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{937}}^1$

素因数の和:1040

約数の個数: 32

約数和(自身を含む): 34443360

約数和(自身を除く): 16237450

約数列:

[1, 2, 5, 10, 29, 58, 67, 134, 145, 290, 335, 670, 937, 1874, 1943, 3886, 4685, 9370, 9715, 19430, 27173, 54346, 62779, 125558, 135865, 271730, 313895, 627790, 1820591, 3641182, 9102955, 18205910]

約数ペア:

[(1, 18205910), (2, 9102955), (5, 3641182), (10, 1820591), (29, 627790), (58, 313895), (67, 271730), (134, 135865), (145, 125558), (290, 62779), (335, 54346), (670, 27173), (937, 19430), (1874, 9715), (1943, 9370), (3886, 4685)]