19420254

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1951}}^1$

素因数の和:2045

約数の個数: 48

約数和(自身を含む): 48721920

約数和(自身を除く): 29301666

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 79, 126, 158, 237, 474, 553, 711, 1106, 1422, 1659, 1951, 3318, 3902, 4977, 5853, 9954, 11706, 13657, 17559, 27314, 35118, 40971, 81942, 122913, 154129, 245826, 308258, 462387, 924774, 1078903, 1387161, 2157806, 2774322, 3236709, 6473418, 9710127, 19420254]

約数ペア:

[(1, 19420254), (2, 9710127), (3, 6473418), (6, 3236709), (7, 2774322), (9, 2157806), (14, 1387161), (18, 1078903), (21, 924774), (42, 462387), (63, 308258), (79, 245826), (126, 154129), (158, 122913), (237, 81942), (474, 40971), (553, 35118), (711, 27314), (1106, 17559), (1422, 13657), (1659, 11706), (1951, 9954), (3318, 5853), (3902, 4977)]