18213678

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4663}}^1$

素因数の和:4709

約数の個数: 48

約数和(自身を含む): 46565376

約数和(自身を除く): 28351698

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 186, 217, 279, 434, 558, 651, 1302, 1953, 3906, 4663, 9326, 13989, 27978, 32641, 41967, 65282, 83934, 97923, 144553, 195846, 289106, 293769, 433659, 587538, 867318, 1011871, 1300977, 2023742, 2601954, 3035613, 6071226, 9106839, 18213678]

約数ペア:

[(1, 18213678), (2, 9106839), (3, 6071226), (6, 3035613), (7, 2601954), (9, 2023742), (14, 1300977), (18, 1011871), (21, 867318), (31, 587538), (42, 433659), (62, 293769), (63, 289106), (93, 195846), (126, 144553), (186, 97923), (217, 83934), (279, 65282), (434, 41967), (558, 32641), (651, 27978), (1302, 13989), (1953, 9326), (3906, 4663)]