19212460

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7333}}^1$

素因数の和:7473

約数の個数: 24

約数和(自身を含む): 40659696

約数和(自身を除く): 21447236

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 7333, 14666, 29332, 36665, 73330, 146660, 960623, 1921246, 3842492, 4803115, 9606230, 19212460]

約数ペア:

[(1, 19212460), (2, 9606230), (4, 4803115), (5, 3842492), (10, 1921246), (20, 960623), (131, 146660), (262, 73330), (524, 36665), (655, 29332), (1310, 14666), (2620, 7333)]