19643544

素因数分解:

$2^3\times 3^2\times {\mathrm{109}}^1\times {\mathrm{2503}}^1$

素因数の和:2624

約数の個数: 48

約数和(自身を含む): 53710800

約数和(自身を除く): 34067256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 109, 218, 327, 436, 654, 872, 981, 1308, 1962, 2503, 2616, 3924, 5006, 7509, 7848, 10012, 15018, 20024, 22527, 30036, 45054, 60072, 90108, 180216, 272827, 545654, 818481, 1091308, 1636962, 2182616, 2455443, 3273924, 4910886, 6547848, 9821772, 19643544]

約数ペア:

[(1, 19643544), (2, 9821772), (3, 6547848), (4, 4910886), (6, 3273924), (8, 2455443), (9, 2182616), (12, 1636962), (18, 1091308), (24, 818481), (36, 545654), (72, 272827), (109, 180216), (218, 90108), (327, 60072), (436, 45054), (654, 30036), (872, 22527), (981, 20024), (1308, 15018), (1962, 10012), (2503, 7848), (2616, 7509), (3924, 5006)]