18999970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{3259}}^1$

素因数の和:3330

約数の個数: 32

約数和(自身を含む): 38024640

約数和(自身を除く): 19024670

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 106, 110, 265, 530, 583, 1166, 2915, 3259, 5830, 6518, 16295, 32590, 35849, 71698, 172727, 179245, 345454, 358490, 863635, 1727270, 1899997, 3799994, 9499985, 18999970]

約数ペア:

[(1, 18999970), (2, 9499985), (5, 3799994), (10, 1899997), (11, 1727270), (22, 863635), (53, 358490), (55, 345454), (106, 179245), (110, 172727), (265, 71698), (530, 35849), (583, 32590), (1166, 16295), (2915, 6518), (3259, 5830)]