19853950

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{12809}}^1$

素因数の和:12852

約数の個数: 24

約数和(自身を含む): 38122560

約数和(自身を除く): 18268610

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 12809, 25618, 64045, 128090, 320225, 397079, 640450, 794158, 1985395, 3970790, 9926975, 19853950]

約数ペア:

[(1, 19853950), (2, 9926975), (5, 3970790), (10, 1985395), (25, 794158), (31, 640450), (50, 397079), (62, 320225), (155, 128090), (310, 64045), (775, 25618), (1550, 12809)]