19952178

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{887}}^1$

素因数の和:1078

約数の個数: 32

約数和(自身を含む): 41942016

約数和(自身を除く): 21989838

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 163, 326, 489, 887, 978, 1774, 2661, 3749, 5322, 7498, 11247, 20401, 22494, 40802, 61203, 122406, 144581, 289162, 433743, 867486, 3325363, 6650726, 9976089, 19952178]

約数ペア:

[(1, 19952178), (2, 9976089), (3, 6650726), (6, 3325363), (23, 867486), (46, 433743), (69, 289162), (138, 144581), (163, 122406), (326, 61203), (489, 40802), (887, 22494), (978, 20401), (1774, 11247), (2661, 7498), (3749, 5322)]