19561020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3361}}^1$

素因数の和:3470

約数の個数: 48

約数和(自身を含む): 55351968

約数和(自身を除く): 35790948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2910, 3361, 5820, 6722, 10083, 13444, 16805, 20166, 33610, 40332, 50415, 67220, 100830, 201660, 326017, 652034, 978051, 1304068, 1630085, 1956102, 3260170, 3912204, 4890255, 6520340, 9780510, 19561020]

約数ペア:

[(1, 19561020), (2, 9780510), (3, 6520340), (4, 4890255), (5, 3912204), (6, 3260170), (10, 1956102), (12, 1630085), (15, 1304068), (20, 978051), (30, 652034), (60, 326017), (97, 201660), (194, 100830), (291, 67220), (388, 50415), (485, 40332), (582, 33610), (970, 20166), (1164, 16805), (1455, 13444), (1940, 10083), (2910, 6722), (3361, 5820)]