18958140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{105323}}^1$

素因数の和:105338

約数の個数: 36

約数和(自身を含む): 57506904

約数和(自身を除く): 38548764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 105323, 210646, 315969, 421292, 526615, 631938, 947907, 1053230, 1263876, 1579845, 1895814, 2106460, 3159690, 3791628, 4739535, 6319380, 9479070, 18958140]

約数ペア:

[(1, 18958140), (2, 9479070), (3, 6319380), (4, 4739535), (5, 3791628), (6, 3159690), (9, 2106460), (10, 1895814), (12, 1579845), (15, 1263876), (18, 1053230), (20, 947907), (30, 631938), (36, 526615), (45, 421292), (60, 315969), (90, 210646), (180, 105323)]