18871230

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1231}}^1$

素因数の和:1321

約数の個数: 64

約数和(自身を含む): 52512768

約数和(自身を除く): 33641538

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 73, 105, 146, 210, 219, 365, 438, 511, 730, 1022, 1095, 1231, 1533, 2190, 2462, 2555, 3066, 3693, 5110, 6155, 7386, 7665, 8617, 12310, 15330, 17234, 18465, 25851, 36930, 43085, 51702, 86170, 89863, 129255, 179726, 258510, 269589, 449315, 539178, 629041, 898630, 1258082, 1347945, 1887123, 2695890, 3145205, 3774246, 6290410, 9435615, 18871230]

約数ペア:

[(1, 18871230), (2, 9435615), (3, 6290410), (5, 3774246), (6, 3145205), (7, 2695890), (10, 1887123), (14, 1347945), (15, 1258082), (21, 898630), (30, 629041), (35, 539178), (42, 449315), (70, 269589), (73, 258510), (105, 179726), (146, 129255), (210, 89863), (219, 86170), (365, 51702), (438, 43085), (511, 36930), (730, 25851), (1022, 18465), (1095, 17234), (1231, 15330), (1533, 12310), (2190, 8617), (2462, 7665), (2555, 7386), (3066, 6155), (3693, 5110)]