18585868

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{487}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 39352320

約数和(自身を除く): 20766452

約数列:

[1, 2, 4, 7, 14, 28, 29, 47, 58, 94, 116, 188, 203, 329, 406, 487, 658, 812, 974, 1316, 1363, 1948, 2726, 3409, 5452, 6818, 9541, 13636, 14123, 19082, 22889, 28246, 38164, 45778, 56492, 91556, 98861, 160223, 197722, 320446, 395444, 640892, 663781, 1327562, 2655124, 4646467, 9292934, 18585868]

約数ペア:

[(1, 18585868), (2, 9292934), (4, 4646467), (7, 2655124), (14, 1327562), (28, 663781), (29, 640892), (47, 395444), (58, 320446), (94, 197722), (116, 160223), (188, 98861), (203, 91556), (329, 56492), (406, 45778), (487, 38164), (658, 28246), (812, 22889), (974, 19082), (1316, 14123), (1363, 13636), (1948, 9541), (2726, 6818), (3409, 5452)]