19846539

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 32078592

約数和(自身を除く): 12232053

約数列:

[1, 3, 9, 23, 27, 53, 67, 69, 81, 159, 201, 207, 243, 477, 603, 621, 1219, 1431, 1541, 1809, 1863, 3551, 3657, 4293, 4623, 5427, 5589, 10653, 10971, 12879, 13869, 16281, 31959, 32913, 41607, 81673, 95877, 98739, 124821, 245019, 287631, 296217, 374463, 735057, 862893, 2205171, 6615513, 19846539]

約数ペア:

[(1, 19846539), (3, 6615513), (9, 2205171), (23, 862893), (27, 735057), (53, 374463), (67, 296217), (69, 287631), (81, 245019), (159, 124821), (201, 98739), (207, 95877), (243, 81673), (477, 41607), (603, 32913), (621, 31959), (1219, 16281), (1431, 13869), (1541, 12879), (1809, 10971), (1863, 10653), (3551, 5589), (3657, 5427), (4293, 4623)]