19911542

素因数分解:

$2^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{1021}}^1$

素因数の和:1236

約数の個数: 24

約数和(自身を含む): 34952400

約数和(自身を除く): 15040858

約数列:

[1, 2, 7, 14, 49, 98, 199, 398, 1021, 1393, 2042, 2786, 7147, 9751, 14294, 19502, 50029, 100058, 203179, 406358, 1422253, 2844506, 9955771, 19911542]

約数ペア:

[(1, 19911542), (2, 9955771), (7, 2844506), (14, 1422253), (49, 406358), (98, 203179), (199, 100058), (398, 50029), (1021, 19502), (1393, 14294), (2042, 9751), (2786, 7147)]