19864764

素因数分解:

$2^2\times 3^5\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 52835328

約数和(自身を除く): 32970564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 107, 108, 162, 191, 214, 243, 321, 324, 382, 428, 486, 573, 642, 764, 963, 972, 1146, 1284, 1719, 1926, 2292, 2889, 3438, 3852, 5157, 5778, 6876, 8667, 10314, 11556, 15471, 17334, 20437, 20628, 26001, 30942, 34668, 40874, 46413, 52002, 61311, 61884, 81748, 92826, 104004, 122622, 183933, 185652, 245244, 367866, 551799, 735732, 1103598, 1655397, 2207196, 3310794, 4966191, 6621588, 9932382, 19864764]

約数ペア:

[(1, 19864764), (2, 9932382), (3, 6621588), (4, 4966191), (6, 3310794), (9, 2207196), (12, 1655397), (18, 1103598), (27, 735732), (36, 551799), (54, 367866), (81, 245244), (107, 185652), (108, 183933), (162, 122622), (191, 104004), (214, 92826), (243, 81748), (321, 61884), (324, 61311), (382, 52002), (428, 46413), (486, 40874), (573, 34668), (642, 30942), (764, 26001), (963, 20628), (972, 20437), (1146, 17334), (1284, 15471), (1719, 11556), (1926, 10314), (2292, 8667), (2889, 6876), (3438, 5778), (3852, 5157)]