18004070

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 39312000

約数和(自身を除く): 21307930

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 49, 58, 70, 98, 145, 181, 203, 245, 290, 343, 362, 406, 490, 686, 905, 1015, 1267, 1421, 1715, 1810, 2030, 2534, 2842, 3430, 5249, 6335, 7105, 8869, 9947, 10498, 12670, 14210, 17738, 19894, 26245, 36743, 44345, 49735, 52490, 62083, 73486, 88690, 99470, 124166, 183715, 257201, 310415, 367430, 514402, 620830, 1286005, 1800407, 2572010, 3600814, 9002035, 18004070]

約数ペア:

[(1, 18004070), (2, 9002035), (5, 3600814), (7, 2572010), (10, 1800407), (14, 1286005), (29, 620830), (35, 514402), (49, 367430), (58, 310415), (70, 257201), (98, 183715), (145, 124166), (181, 99470), (203, 88690), (245, 73486), (290, 62083), (343, 52490), (362, 49735), (406, 44345), (490, 36743), (686, 26245), (905, 19894), (1015, 17738), (1267, 14210), (1421, 12670), (1715, 10498), (1810, 9947), (2030, 8869), (2534, 7105), (2842, 6335), (3430, 5249)]