18870516

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:358

約数の個数: 96

約数和(自身を含む): 56672000

約数和(自身を除く): 37801484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 109, 126, 189, 218, 229, 252, 327, 378, 436, 458, 654, 687, 756, 763, 916, 981, 1308, 1374, 1526, 1603, 1962, 2061, 2289, 2748, 2943, 3052, 3206, 3924, 4122, 4578, 4809, 5886, 6183, 6412, 6867, 8244, 9156, 9618, 11772, 12366, 13734, 14427, 19236, 20601, 24732, 24961, 27468, 28854, 41202, 43281, 49922, 57708, 74883, 82404, 86562, 99844, 149766, 173124, 174727, 224649, 299532, 349454, 449298, 524181, 673947, 698908, 898596, 1048362, 1347894, 1572543, 2096724, 2695788, 3145086, 4717629, 6290172, 9435258, 18870516]

約数ペア:

[(1, 18870516), (2, 9435258), (3, 6290172), (4, 4717629), (6, 3145086), (7, 2695788), (9, 2096724), (12, 1572543), (14, 1347894), (18, 1048362), (21, 898596), (27, 698908), (28, 673947), (36, 524181), (42, 449298), (54, 349454), (63, 299532), (84, 224649), (108, 174727), (109, 173124), (126, 149766), (189, 99844), (218, 86562), (229, 82404), (252, 74883), (327, 57708), (378, 49922), (436, 43281), (458, 41202), (654, 28854), (687, 27468), (756, 24961), (763, 24732), (916, 20601), (981, 19236), (1308, 14427), (1374, 13734), (1526, 12366), (1603, 11772), (1962, 9618), (2061, 9156), (2289, 8244), (2748, 6867), (2943, 6412), (3052, 6183), (3206, 5886), (3924, 4809), (4122, 4578)]