19013445

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 36526464

約数和(自身を除く): 17513019

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 71, 99, 165, 213, 355, 495, 541, 639, 781, 1065, 1623, 2343, 2705, 3195, 3905, 4869, 5951, 7029, 8115, 11715, 17853, 24345, 29755, 35145, 38411, 53559, 89265, 115233, 192055, 267795, 345699, 422521, 576165, 1267563, 1728495, 2112605, 3802689, 6337815, 19013445]

約数ペア:

[(1, 19013445), (3, 6337815), (5, 3802689), (9, 2112605), (11, 1728495), (15, 1267563), (33, 576165), (45, 422521), (55, 345699), (71, 267795), (99, 192055), (165, 115233), (213, 89265), (355, 53559), (495, 38411), (541, 35145), (639, 29755), (781, 24345), (1065, 17853), (1623, 11715), (2343, 8115), (2705, 7029), (3195, 5951), (3905, 4869)]