18242965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 24748416

約数和(自身を除く): 6505451

約数列:

[1, 5, 13, 43, 61, 65, 107, 215, 305, 535, 559, 793, 1391, 2623, 2795, 3965, 4601, 6527, 6955, 13115, 23005, 32635, 34099, 59813, 84851, 170495, 280661, 299065, 424255, 1403305, 3648593, 18242965]

約数ペア:

[(1, 18242965), (5, 3648593), (13, 1403305), (43, 424255), (61, 299065), (65, 280661), (107, 170495), (215, 84851), (305, 59813), (535, 34099), (559, 32635), (793, 23005), (1391, 13115), (2623, 6955), (2795, 6527), (3965, 4601)]