18110890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1607}}^1$

素因数の和:1651

約数の個数: 48

約数和(自身を含む): 39595392

約数和(自身を除く): 21484502

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 245, 322, 490, 805, 1127, 1607, 1610, 2254, 3214, 5635, 8035, 11249, 11270, 16070, 22498, 36961, 56245, 73922, 78743, 112490, 157486, 184805, 258727, 369610, 393715, 517454, 787430, 1293635, 1811089, 2587270, 3622178, 9055445, 18110890]

約数ペア:

[(1, 18110890), (2, 9055445), (5, 3622178), (7, 2587270), (10, 1811089), (14, 1293635), (23, 787430), (35, 517454), (46, 393715), (49, 369610), (70, 258727), (98, 184805), (115, 157486), (161, 112490), (230, 78743), (245, 73922), (322, 56245), (490, 36961), (805, 22498), (1127, 16070), (1607, 11270), (1610, 11249), (2254, 8035), (3214, 5635)]