19778292

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{6173}}^1$

素因数の和:6272

約数の個数: 36

約数和(自身を含む): 50565060

約数和(自身を除く): 30786768

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 534, 801, 1068, 1602, 3204, 6173, 12346, 18519, 24692, 37038, 55557, 74076, 111114, 222228, 549397, 1098794, 1648191, 2197588, 3296382, 4944573, 6592764, 9889146, 19778292]

約数ペア:

[(1, 19778292), (2, 9889146), (3, 6592764), (4, 4944573), (6, 3296382), (9, 2197588), (12, 1648191), (18, 1098794), (36, 549397), (89, 222228), (178, 111114), (267, 74076), (356, 55557), (534, 37038), (801, 24692), (1068, 18519), (1602, 12346), (3204, 6173)]