18405488

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{39667}}^1$

素因数の和:39704

約数の個数: 20

約数和(自身を含む): 36891240

約数和(自身を除く): 18485752

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 39667, 79334, 158668, 317336, 634672, 1150343, 2300686, 4601372, 9202744, 18405488]

約数ペア:

[(1, 18405488), (2, 9202744), (4, 4601372), (8, 2300686), (16, 1150343), (29, 634672), (58, 317336), (116, 158668), (232, 79334), (464, 39667)]