19005455817

素因数分解:

$3^4\times {\mathrm{509}}^1\times {\mathrm{460973}}^1$

素因数の和:461494

約数の個数: 20

約数和(自身を含む): 28446705540

約数和(自身を除く): 9441249723

約数列:

[1, 3, 9, 27, 81, 509, 1527, 4581, 13743, 41229, 460973, 1382919, 4148757, 12446271, 37338813, 234635257, 703905771, 2111717313, 6335151939, 19005455817]

約数ペア:

[(1, 19005455817), (3, 6335151939), (9, 2111717313), (27, 703905771), (81, 234635257), (509, 37338813), (1527, 12446271), (4581, 4148757), (13743, 1382919), (41229, 460973)]