20181806973

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{493817}}^1$

素因数の和:494081

約数の個数: 24

約数和(自身を含む): 30814243200

約数和(自身を除く): 10632436227

約数列:

[1, 3, 9, 19, 57, 171, 239, 717, 2151, 4541, 13623, 40869, 493817, 1481451, 4444353, 9382523, 28147569, 84442707, 118022263, 354066789, 1062200367, 2242422997, 6727268991, 20181806973]

約数ペア:

[(1, 20181806973), (3, 6727268991), (9, 2242422997), (19, 1062200367), (57, 354066789), (171, 118022263), (239, 84442707), (717, 28147569), (2151, 9382523), (4541, 4444353), (13623, 1481451), (40869, 493817)]