19947378

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{15907}}^1$

素因数の和:15942

約数の個数: 32

約数和(自身を含む): 45815040

約数和(自身を除く): 25867662

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 114, 209, 418, 627, 1254, 15907, 31814, 47721, 95442, 174977, 302233, 349954, 524931, 604466, 906699, 1049862, 1813398, 3324563, 6649126, 9973689, 19947378]

約数ペア:

[(1, 19947378), (2, 9973689), (3, 6649126), (6, 3324563), (11, 1813398), (19, 1049862), (22, 906699), (33, 604466), (38, 524931), (57, 349954), (66, 302233), (114, 174977), (209, 95442), (418, 47721), (627, 31814), (1254, 15907)]