19807605

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4733}}^1$

素因数の和:4778

約数の個数: 32

約数和(自身を含む): 36357120

約数和(自身を除く): 16549515

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 4733, 14199, 23665, 42597, 70995, 127791, 146723, 212985, 440169, 638955, 733615, 1320507, 2200845, 3961521, 6602535, 19807605]

約数ペア:

[(1, 19807605), (3, 6602535), (5, 3961521), (9, 2200845), (15, 1320507), (27, 733615), (31, 638955), (45, 440169), (93, 212985), (135, 146723), (155, 127791), (279, 70995), (465, 42597), (837, 23665), (1395, 14199), (4185, 4733)]