19778283

素因数分解:

$3^3\times 7^1\times {\mathrm{227}}^1\times {\mathrm{461}}^1$

素因数の和:704

約数の個数: 32

約数和(自身を含む): 33707520

約数和(自身を除く): 13929237

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 227, 461, 681, 1383, 1589, 2043, 3227, 4149, 4767, 6129, 9681, 12447, 14301, 29043, 42903, 87129, 104647, 313941, 732529, 941823, 2197587, 2825469, 6592761, 19778283]

約数ペア:

[(1, 19778283), (3, 6592761), (7, 2825469), (9, 2197587), (21, 941823), (27, 732529), (63, 313941), (189, 104647), (227, 87129), (461, 42903), (681, 29043), (1383, 14301), (1589, 12447), (2043, 9681), (3227, 6129), (4149, 4767)]