19405260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{15401}}^1$

素因数の和:15423

約数の個数: 72

約数和(自身を含む): 67275936

約数和(自身を除く): 47870676

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 15401, 30802, 46203, 61604, 77005, 92406, 107807, 138609, 154010, 184812, 215614, 231015, 277218, 308020, 323421, 431228, 462030, 539035, 554436, 646842, 693045, 924060, 970263, 1078070, 1293684, 1386090, 1617105, 1940526, 2156140, 2772180, 3234210, 3881052, 4851315, 6468420, 9702630, 19405260]

約数ペア:

[(1, 19405260), (2, 9702630), (3, 6468420), (4, 4851315), (5, 3881052), (6, 3234210), (7, 2772180), (9, 2156140), (10, 1940526), (12, 1617105), (14, 1386090), (15, 1293684), (18, 1078070), (20, 970263), (21, 924060), (28, 693045), (30, 646842), (35, 554436), (36, 539035), (42, 462030), (45, 431228), (60, 323421), (63, 308020), (70, 277218), (84, 231015), (90, 215614), (105, 184812), (126, 154010), (140, 138609), (180, 107807), (210, 92406), (252, 77005), (315, 61604), (420, 46203), (630, 30802), (1260, 15401)]