18966966

素因数分解:

$2^1\times 3^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{409}}^1$

素因数の和:604

約数の個数: 32

約数和(自身を含む): 38966400

約数和(自身を除く): 19999434

約数列:

[1, 2, 3, 6, 59, 118, 131, 177, 262, 354, 393, 409, 786, 818, 1227, 2454, 7729, 15458, 23187, 24131, 46374, 48262, 53579, 72393, 107158, 144786, 160737, 321474, 3161161, 6322322, 9483483, 18966966]

約数ペア:

[(1, 18966966), (2, 9483483), (3, 6322322), (6, 3161161), (59, 321474), (118, 160737), (131, 144786), (177, 107158), (262, 72393), (354, 53579), (393, 48262), (409, 46374), (786, 24131), (818, 23187), (1227, 15458), (2454, 7729)]