19418505

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{281}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 33136128

約数和(自身を除く): 13717623

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 271, 281, 813, 843, 1355, 1405, 4065, 4215, 4607, 4777, 13821, 14331, 23035, 23885, 69105, 71655, 76151, 228453, 380755, 1142265, 1294567, 3883701, 6472835, 19418505]

約数ペア:

[(1, 19418505), (3, 6472835), (5, 3883701), (15, 1294567), (17, 1142265), (51, 380755), (85, 228453), (255, 76151), (271, 71655), (281, 69105), (813, 23885), (843, 23035), (1355, 14331), (1405, 13821), (4065, 4777), (4215, 4607)]