19963890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7649}}^1$

素因数の和:7691

約数の個数: 48

約数和(自身を含む): 53703000

約数和(自身を除く): 33739110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 7649, 15298, 22947, 38245, 45894, 68841, 76490, 114735, 137682, 221821, 229470, 344205, 443642, 665463, 688410, 1109105, 1330926, 1996389, 2218210, 3327315, 3992778, 6654630, 9981945, 19963890]

約数ペア:

[(1, 19963890), (2, 9981945), (3, 6654630), (5, 3992778), (6, 3327315), (9, 2218210), (10, 1996389), (15, 1330926), (18, 1109105), (29, 688410), (30, 665463), (45, 443642), (58, 344205), (87, 229470), (90, 221821), (145, 137682), (174, 114735), (261, 76490), (290, 68841), (435, 45894), (522, 38245), (870, 22947), (1305, 15298), (2610, 7649)]