18883263

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 30159360

約数和(自身を除く): 11276097

約数列:

[1, 3, 7, 21, 29, 87, 101, 203, 303, 307, 609, 707, 921, 2121, 2149, 2929, 6447, 8787, 8903, 20503, 26709, 31007, 61509, 62321, 93021, 186963, 217049, 651147, 899203, 2697609, 6294421, 18883263]

約数ペア:

[(1, 18883263), (3, 6294421), (7, 2697609), (21, 899203), (29, 651147), (87, 217049), (101, 186963), (203, 93021), (303, 62321), (307, 61509), (609, 31007), (707, 26709), (921, 20503), (2121, 8903), (2149, 8787), (2929, 6447)]