18919380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{6709}}^1$

素因数の和:6768

約数の個数: 48

約数和(自身を含む): 54109440

約数和(自身を除く): 35190060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 6709, 13418, 20127, 26836, 33545, 40254, 67090, 80508, 100635, 134180, 201270, 315323, 402540, 630646, 945969, 1261292, 1576615, 1891938, 3153230, 3783876, 4729845, 6306460, 9459690, 18919380]

約数ペア:

[(1, 18919380), (2, 9459690), (3, 6306460), (4, 4729845), (5, 3783876), (6, 3153230), (10, 1891938), (12, 1576615), (15, 1261292), (20, 945969), (30, 630646), (47, 402540), (60, 315323), (94, 201270), (141, 134180), (188, 100635), (235, 80508), (282, 67090), (470, 40254), (564, 33545), (705, 26836), (940, 20127), (1410, 13418), (2820, 6709)]