19100349

素因数分解:

$3^2\times {\mathrm{71}}^2\times {\mathrm{421}}^1$

素因数の和:569

約数の個数: 18

約数和(自身を含む): 28049918

約数和(自身を除く): 8949569

約数列:

[1, 3, 9, 71, 213, 421, 639, 1263, 3789, 5041, 15123, 29891, 45369, 89673, 269019, 2122261, 6366783, 19100349]

約数ペア:

[(1, 19100349), (3, 6366783), (9, 2122261), (71, 269019), (213, 89673), (421, 45369), (639, 29891), (1263, 15123), (3789, 5041)]