16818676

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 35136640

約数和(自身を除く): 18317964

約数列:

[1, 2, 4, 7, 14, 28, 43, 61, 86, 122, 172, 229, 244, 301, 427, 458, 602, 854, 916, 1204, 1603, 1708, 2623, 3206, 5246, 6412, 9847, 10492, 13969, 18361, 19694, 27938, 36722, 39388, 55876, 68929, 73444, 97783, 137858, 195566, 275716, 391132, 600667, 1201334, 2402668, 4204669, 8409338, 16818676]

約数ペア:

[(1, 16818676), (2, 8409338), (4, 4204669), (7, 2402668), (14, 1201334), (28, 600667), (43, 391132), (61, 275716), (86, 195566), (122, 137858), (172, 97783), (229, 73444), (244, 68929), (301, 55876), (427, 39388), (458, 36722), (602, 27938), (854, 19694), (916, 18361), (1204, 13969), (1603, 10492), (1708, 9847), (2623, 6412), (3206, 5246)]