19208205

素因数分解:

$3^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{541}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 34341120

約数和(自身を除く): 15132915

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 263, 541, 789, 1315, 1623, 2367, 2705, 3945, 4869, 7101, 8115, 11835, 14607, 24345, 35505, 73035, 142283, 426849, 711415, 1280547, 2134245, 3841641, 6402735, 19208205]

約数ペア:

[(1, 19208205), (3, 6402735), (5, 3841641), (9, 2134245), (15, 1280547), (27, 711415), (45, 426849), (135, 142283), (263, 73035), (541, 35505), (789, 24345), (1315, 14607), (1623, 11835), (2367, 8115), (2705, 7101), (3945, 4869)]