18910110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 47215872

約数和(自身を除く): 28305762

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 107, 129, 137, 214, 215, 258, 274, 321, 411, 430, 535, 642, 645, 685, 822, 1070, 1290, 1370, 1605, 2055, 3210, 4110, 4601, 5891, 9202, 11782, 13803, 14659, 17673, 23005, 27606, 29318, 29455, 35346, 43977, 46010, 58910, 69015, 73295, 87954, 88365, 138030, 146590, 176730, 219885, 439770, 630337, 1260674, 1891011, 3151685, 3782022, 6303370, 9455055, 18910110]

約数ペア:

[(1, 18910110), (2, 9455055), (3, 6303370), (5, 3782022), (6, 3151685), (10, 1891011), (15, 1260674), (30, 630337), (43, 439770), (86, 219885), (107, 176730), (129, 146590), (137, 138030), (214, 88365), (215, 87954), (258, 73295), (274, 69015), (321, 58910), (411, 46010), (430, 43977), (535, 35346), (642, 29455), (645, 29318), (685, 27606), (822, 23005), (1070, 17673), (1290, 14659), (1370, 13803), (1605, 11782), (2055, 9202), (3210, 5891), (4110, 4601)]