18942260

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{11411}}^1$

素因数の和:11503

約数の個数: 24

約数和(自身を含む): 40261536

約数和(自身を除く): 21319276

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 11411, 22822, 45644, 57055, 114110, 228220, 947113, 1894226, 3788452, 4735565, 9471130, 18942260]

約数ペア:

[(1, 18942260), (2, 9471130), (4, 4735565), (5, 3788452), (10, 1894226), (20, 947113), (83, 228220), (166, 114110), (332, 57055), (415, 45644), (830, 22822), (1660, 11411)]