19620666

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{439}}^1$

素因数の和:651

約数の個数: 48

約数和(自身を含む): 46126080

約数和(自身を除く): 26505414

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 191, 234, 382, 439, 573, 878, 1146, 1317, 1719, 2483, 2634, 3438, 3951, 4966, 5707, 7449, 7902, 11414, 14898, 17121, 22347, 34242, 44694, 51363, 83849, 102726, 167698, 251547, 503094, 754641, 1090037, 1509282, 2180074, 3270111, 6540222, 9810333, 19620666]

約数ペア:

[(1, 19620666), (2, 9810333), (3, 6540222), (6, 3270111), (9, 2180074), (13, 1509282), (18, 1090037), (26, 754641), (39, 503094), (78, 251547), (117, 167698), (191, 102726), (234, 83849), (382, 51363), (439, 44694), (573, 34242), (878, 22347), (1146, 17121), (1317, 14898), (1719, 11414), (2483, 7902), (2634, 7449), (3438, 5707), (3951, 4966)]