19410993

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{5051}}^1$

素因数の和:5125

約数の個数: 24

約数和(自身を含む): 32575296

約数和(自身を除く): 13164303

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 5051, 15153, 35357, 45459, 106071, 308111, 318213, 924333, 2156777, 2772999, 6470331, 19410993]

約数ペア:

[(1, 19410993), (3, 6470331), (7, 2772999), (9, 2156777), (21, 924333), (61, 318213), (63, 308111), (183, 106071), (427, 45459), (549, 35357), (1281, 15153), (3843, 5051)]