18849860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{30403}}^1$

素因数の和:30443

約数の個数: 24

約数和(自身を含む): 40862976

約数和(自身を除く): 22013116

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 30403, 60806, 121612, 152015, 304030, 608060, 942493, 1884986, 3769972, 4712465, 9424930, 18849860]

約数ペア:

[(1, 18849860), (2, 9424930), (4, 4712465), (5, 3769972), (10, 1884986), (20, 942493), (31, 608060), (62, 304030), (124, 152015), (155, 121612), (310, 60806), (620, 30403)]