18942860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{30553}}^1$

素因数の和:30593

約数の個数: 24

約数和(自身を含む): 41064576

約数和(自身を除く): 22121716

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 30553, 61106, 122212, 152765, 305530, 611060, 947143, 1894286, 3788572, 4735715, 9471430, 18942860]

約数ペア:

[(1, 18942860), (2, 9471430), (4, 4735715), (5, 3788572), (10, 1894286), (20, 947143), (31, 611060), (62, 305530), (124, 152765), (155, 122212), (310, 61106), (620, 30553)]