18998945

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{863}}^1$

素因数の和:929

約数の個数: 32

約数和(自身を含む): 28366848

約数和(自身を除く): 9367903

約数列:

[1, 5, 7, 17, 35, 37, 85, 119, 185, 259, 595, 629, 863, 1295, 3145, 4315, 4403, 6041, 14671, 22015, 30205, 31931, 73355, 102697, 159655, 223517, 513485, 542827, 1117585, 2714135, 3799789, 18998945]

約数ペア:

[(1, 18998945), (5, 3799789), (7, 2714135), (17, 1117585), (35, 542827), (37, 513485), (85, 223517), (119, 159655), (185, 102697), (259, 73355), (595, 31931), (629, 30205), (863, 22015), (1295, 14671), (3145, 6041), (4315, 4403)]