19438550

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{12541}}^1$

素因数の和:12584

約数の個数: 24

約数和(自身を含む): 37324992

約数和(自身を除く): 17886442

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 12541, 25082, 62705, 125410, 313525, 388771, 627050, 777542, 1943855, 3887710, 9719275, 19438550]

約数ペア:

[(1, 19438550), (2, 9719275), (5, 3887710), (10, 1943855), (25, 777542), (31, 627050), (50, 388771), (62, 313525), (155, 125410), (310, 62705), (775, 25082), (1550, 12541)]