18143230

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{607}}^1$

素因数の和:689

約数の個数: 48

約数和(自身を含む): 38676096

約数和(自身を除く): 20532866

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 61, 70, 98, 122, 245, 305, 427, 490, 607, 610, 854, 1214, 2135, 2989, 3035, 4249, 4270, 5978, 6070, 8498, 14945, 21245, 29743, 29890, 37027, 42490, 59486, 74054, 148715, 185135, 259189, 297430, 370270, 518378, 1295945, 1814323, 2591890, 3628646, 9071615, 18143230]

約数ペア:

[(1, 18143230), (2, 9071615), (5, 3628646), (7, 2591890), (10, 1814323), (14, 1295945), (35, 518378), (49, 370270), (61, 297430), (70, 259189), (98, 185135), (122, 148715), (245, 74054), (305, 59486), (427, 42490), (490, 37027), (607, 29890), (610, 29743), (854, 21245), (1214, 14945), (2135, 8498), (2989, 6070), (3035, 5978), (4249, 4270)]