19542292

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{947}}^1$

素因数の和:1036

約数の個数: 48

約数和(自身を含む): 43319808

約数和(自身を除く): 23777516

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 67, 77, 134, 154, 268, 308, 469, 737, 938, 947, 1474, 1876, 1894, 2948, 3788, 5159, 6629, 10318, 10417, 13258, 20636, 20834, 26516, 41668, 63449, 72919, 126898, 145838, 253796, 291676, 444143, 697939, 888286, 1395878, 1776572, 2791756, 4885573, 9771146, 19542292]

約数ペア:

[(1, 19542292), (2, 9771146), (4, 4885573), (7, 2791756), (11, 1776572), (14, 1395878), (22, 888286), (28, 697939), (44, 444143), (67, 291676), (77, 253796), (134, 145838), (154, 126898), (268, 72919), (308, 63449), (469, 41668), (737, 26516), (938, 20834), (947, 20636), (1474, 13258), (1876, 10417), (1894, 10318), (2948, 6629), (3788, 5159)]