19307127

素因数分解:

$3^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{647}}^1$

素因数の和:700

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 11796873

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 343, 609, 647, 1029, 1421, 1941, 4263, 4529, 9947, 13587, 18763, 29841, 31703, 56289, 95109, 131341, 221921, 394023, 665763, 919387, 2758161, 6435709, 19307127]

約数ペア:

[(1, 19307127), (3, 6435709), (7, 2758161), (21, 919387), (29, 665763), (49, 394023), (87, 221921), (147, 131341), (203, 95109), (343, 56289), (609, 31703), (647, 29841), (1029, 18763), (1421, 13587), (1941, 9947), (4263, 4529)]