19187672

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 43122240

約数和(自身を除く): 23934568

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 61, 82, 122, 137, 164, 244, 274, 287, 328, 427, 488, 548, 574, 854, 959, 1096, 1148, 1708, 1918, 2296, 2501, 3416, 3836, 5002, 5617, 7672, 8357, 10004, 11234, 16714, 17507, 20008, 22468, 33428, 35014, 39319, 44936, 58499, 66856, 70028, 78638, 116998, 140056, 157276, 233996, 314552, 342637, 467992, 685274, 1370548, 2398459, 2741096, 4796918, 9593836, 19187672]

約数ペア:

[(1, 19187672), (2, 9593836), (4, 4796918), (7, 2741096), (8, 2398459), (14, 1370548), (28, 685274), (41, 467992), (56, 342637), (61, 314552), (82, 233996), (122, 157276), (137, 140056), (164, 116998), (244, 78638), (274, 70028), (287, 66856), (328, 58499), (427, 44936), (488, 39319), (548, 35014), (574, 33428), (854, 22468), (959, 20008), (1096, 17507), (1148, 16714), (1708, 11234), (1918, 10004), (2296, 8357), (2501, 7672), (3416, 5617), (3836, 5002)]