19883556

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{797}}^1$

素因数の和:831

約数の個数: 120

約数和(自身を含む): 64886976

約数和(自身を除く): 45003420

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 54, 63, 66, 77, 81, 84, 99, 108, 126, 132, 154, 162, 189, 198, 231, 252, 297, 308, 324, 378, 396, 462, 567, 594, 693, 756, 797, 891, 924, 1134, 1188, 1386, 1594, 1782, 2079, 2268, 2391, 2772, 3188, 3564, 4158, 4782, 5579, 6237, 7173, 8316, 8767, 9564, 11158, 12474, 14346, 16737, 17534, 21519, 22316, 24948, 26301, 28692, 33474, 35068, 43038, 50211, 52602, 61369, 64557, 66948, 78903, 86076, 100422, 105204, 122738, 129114, 150633, 157806, 184107, 200844, 236709, 245476, 258228, 301266, 315612, 368214, 451899, 473418, 552321, 602532, 710127, 736428, 903798, 946836, 1104642, 1420254, 1656963, 1807596, 2209284, 2840508, 3313926, 4970889, 6627852, 9941778, 19883556]

約数ペア:

[(1, 19883556), (2, 9941778), (3, 6627852), (4, 4970889), (6, 3313926), (7, 2840508), (9, 2209284), (11, 1807596), (12, 1656963), (14, 1420254), (18, 1104642), (21, 946836), (22, 903798), (27, 736428), (28, 710127), (33, 602532), (36, 552321), (42, 473418), (44, 451899), (54, 368214), (63, 315612), (66, 301266), (77, 258228), (81, 245476), (84, 236709), (99, 200844), (108, 184107), (126, 157806), (132, 150633), (154, 129114), (162, 122738), (189, 105204), (198, 100422), (231, 86076), (252, 78903), (297, 66948), (308, 64557), (324, 61369), (378, 52602), (396, 50211), (462, 43038), (567, 35068), (594, 33474), (693, 28692), (756, 26301), (797, 24948), (891, 22316), (924, 21519), (1134, 17534), (1188, 16737), (1386, 14346), (1594, 12474), (1782, 11158), (2079, 9564), (2268, 8767), (2391, 8316), (2772, 7173), (3188, 6237), (3564, 5579), (4158, 4782)]