19404588

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{541}}^1$

素因数の和:623

約数の個数: 72

約数和(自身を含む): 53631984

約数和(自身を除く): 34227396

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 61, 84, 98, 122, 147, 183, 196, 244, 294, 366, 427, 541, 588, 732, 854, 1082, 1281, 1623, 1708, 2164, 2562, 2989, 3246, 3787, 5124, 5978, 6492, 7574, 8967, 11361, 11956, 15148, 17934, 22722, 26509, 33001, 35868, 45444, 53018, 66002, 79527, 99003, 106036, 132004, 159054, 198006, 231007, 318108, 396012, 462014, 693021, 924028, 1386042, 1617049, 2772084, 3234098, 4851147, 6468196, 9702294, 19404588]

約数ペア:

[(1, 19404588), (2, 9702294), (3, 6468196), (4, 4851147), (6, 3234098), (7, 2772084), (12, 1617049), (14, 1386042), (21, 924028), (28, 693021), (42, 462014), (49, 396012), (61, 318108), (84, 231007), (98, 198006), (122, 159054), (147, 132004), (183, 106036), (196, 99003), (244, 79527), (294, 66002), (366, 53018), (427, 45444), (541, 35868), (588, 33001), (732, 26509), (854, 22722), (1082, 17934), (1281, 15148), (1623, 11956), (1708, 11361), (2164, 8967), (2562, 7574), (2989, 6492), (3246, 5978), (3787, 5124)]