18450460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 45907344

約数和(自身を除く): 27456884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 98, 134, 140, 196, 245, 268, 281, 335, 469, 490, 562, 670, 938, 980, 1124, 1340, 1405, 1876, 1967, 2345, 2810, 3283, 3934, 4690, 5620, 6566, 7868, 9380, 9835, 13132, 13769, 16415, 18827, 19670, 27538, 32830, 37654, 39340, 55076, 65660, 68845, 75308, 94135, 131789, 137690, 188270, 263578, 275380, 376540, 527156, 658945, 922523, 1317890, 1845046, 2635780, 3690092, 4612615, 9225230, 18450460]

約数ペア:

[(1, 18450460), (2, 9225230), (4, 4612615), (5, 3690092), (7, 2635780), (10, 1845046), (14, 1317890), (20, 922523), (28, 658945), (35, 527156), (49, 376540), (67, 275380), (70, 263578), (98, 188270), (134, 137690), (140, 131789), (196, 94135), (245, 75308), (268, 68845), (281, 65660), (335, 55076), (469, 39340), (490, 37654), (562, 32830), (670, 27538), (938, 19670), (980, 18827), (1124, 16415), (1340, 13769), (1405, 13132), (1876, 9835), (1967, 9380), (2345, 7868), (2810, 6566), (3283, 5620), (3934, 4690)]