19993176

素因数分解:

$2^3\times 3^3\times 7^2\times {\mathrm{1889}}^1$

素因数の和:1918

約数の個数: 96

約数和(自身を含む): 64638000

約数和(自身を除く): 44644824

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 49, 54, 56, 63, 72, 84, 98, 108, 126, 147, 168, 189, 196, 216, 252, 294, 378, 392, 441, 504, 588, 756, 882, 1176, 1323, 1512, 1764, 1889, 2646, 3528, 3778, 5292, 5667, 7556, 10584, 11334, 13223, 15112, 17001, 22668, 26446, 34002, 39669, 45336, 51003, 52892, 68004, 79338, 92561, 102006, 105784, 119007, 136008, 158676, 185122, 204012, 238014, 277683, 317352, 357021, 370244, 408024, 476028, 555366, 714042, 740488, 833049, 952056, 1110732, 1428084, 1666098, 2221464, 2499147, 2856168, 3332196, 4998294, 6664392, 9996588, 19993176]

約数ペア:

[(1, 19993176), (2, 9996588), (3, 6664392), (4, 4998294), (6, 3332196), (7, 2856168), (8, 2499147), (9, 2221464), (12, 1666098), (14, 1428084), (18, 1110732), (21, 952056), (24, 833049), (27, 740488), (28, 714042), (36, 555366), (42, 476028), (49, 408024), (54, 370244), (56, 357021), (63, 317352), (72, 277683), (84, 238014), (98, 204012), (108, 185122), (126, 158676), (147, 136008), (168, 119007), (189, 105784), (196, 102006), (216, 92561), (252, 79338), (294, 68004), (378, 52892), (392, 51003), (441, 45336), (504, 39669), (588, 34002), (756, 26446), (882, 22668), (1176, 17001), (1323, 15112), (1512, 13223), (1764, 11334), (1889, 10584), (2646, 7556), (3528, 5667), (3778, 5292)]