19278591

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 28071360

約数和(自身を除く): 8792769

約数列:

[1, 3, 29, 37, 53, 87, 111, 113, 159, 339, 1073, 1537, 1961, 3219, 3277, 4181, 4611, 5883, 5989, 9831, 12543, 17967, 56869, 121249, 170607, 173681, 221593, 363747, 521043, 664779, 6426197, 19278591]

約数ペア:

[(1, 19278591), (3, 6426197), (29, 664779), (37, 521043), (53, 363747), (87, 221593), (111, 173681), (113, 170607), (159, 121249), (339, 56869), (1073, 17967), (1537, 12543), (1961, 9831), (3219, 5989), (3277, 5883), (4181, 4611)]