19938250

素因数分解:

$2^1\times 5^3\times {\mathrm{173}}^1\times {\mathrm{461}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 37621584

約数和(自身を除く): 17683334

約数列:

[1, 2, 5, 10, 25, 50, 125, 173, 250, 346, 461, 865, 922, 1730, 2305, 4325, 4610, 8650, 11525, 21625, 23050, 43250, 57625, 79753, 115250, 159506, 398765, 797530, 1993825, 3987650, 9969125, 19938250]

約数ペア:

[(1, 19938250), (2, 9969125), (5, 3987650), (10, 1993825), (25, 797530), (50, 398765), (125, 159506), (173, 115250), (250, 79753), (346, 57625), (461, 43250), (865, 23050), (922, 21625), (1730, 11525), (2305, 8650), (4325, 4610)]