19620345

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{523}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 32747904

約数和(自身を除く): 13127559

約数列:

[1, 3, 5, 15, 41, 61, 123, 183, 205, 305, 523, 615, 915, 1569, 2501, 2615, 7503, 7845, 12505, 21443, 31903, 37515, 64329, 95709, 107215, 159515, 321645, 478545, 1308023, 3924069, 6540115, 19620345]

約数ペア:

[(1, 19620345), (3, 6540115), (5, 3924069), (15, 1308023), (41, 478545), (61, 321645), (123, 159515), (183, 107215), (205, 95709), (305, 64329), (523, 37515), (615, 31903), (915, 21443), (1569, 12505), (2501, 7845), (2615, 7503)]