19785370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{107}}^1$

素因数の和:207

約数の個数: 48

約数和(自身を含む): 40194144

約数和(自身を除く): 20408774

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 107, 110, 205, 214, 410, 451, 535, 902, 1070, 1177, 1681, 2255, 2354, 3362, 4387, 4510, 5885, 8405, 8774, 11770, 16810, 18491, 21935, 36982, 43870, 48257, 92455, 96514, 179867, 184910, 241285, 359734, 482570, 899335, 1798670, 1978537, 3957074, 9892685, 19785370]

約数ペア:

[(1, 19785370), (2, 9892685), (5, 3957074), (10, 1978537), (11, 1798670), (22, 899335), (41, 482570), (55, 359734), (82, 241285), (107, 184910), (110, 179867), (205, 96514), (214, 92455), (410, 48257), (451, 43870), (535, 36982), (902, 21935), (1070, 18491), (1177, 16810), (1681, 11770), (2255, 8774), (2354, 8405), (3362, 5885), (4387, 4510)]