19241793

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:219

約数の個数: 40

約数和(自身を含む): 30356480

約数和(自身を除く): 11114687

約数列:

[1, 3, 9, 27, 31, 79, 81, 93, 97, 237, 279, 291, 711, 837, 873, 2133, 2449, 2511, 2619, 3007, 6399, 7347, 7663, 7857, 9021, 22041, 22989, 27063, 66123, 68967, 81189, 198369, 206901, 237553, 243567, 620703, 712659, 2137977, 6413931, 19241793]

約数ペア:

[(1, 19241793), (3, 6413931), (9, 2137977), (27, 712659), (31, 620703), (79, 243567), (81, 237553), (93, 206901), (97, 198369), (237, 81189), (279, 68967), (291, 66123), (711, 27063), (837, 22989), (873, 22041), (2133, 9021), (2449, 7857), (2511, 7663), (2619, 7347), (3007, 6399)]