19942955

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^2$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 26705376

約数和(自身を除く): 6762421

約数列:

[1, 5, 17, 23, 85, 101, 115, 391, 505, 1717, 1955, 2323, 8585, 10201, 11615, 39491, 51005, 173417, 197455, 234623, 867085, 1173115, 3988591, 19942955]

約数ペア:

[(1, 19942955), (5, 3988591), (17, 1173115), (23, 867085), (85, 234623), (101, 197455), (115, 173417), (391, 51005), (505, 39491), (1717, 11615), (1955, 10201), (2323, 8585)]