19287015

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2851}}^1$

素因数の和:2911

約数の個数: 32

約数和(自身を含む): 34497792

約数和(自身を除く): 15210777

約数列:

[1, 3, 5, 11, 15, 33, 41, 55, 123, 165, 205, 451, 615, 1353, 2255, 2851, 6765, 8553, 14255, 31361, 42765, 94083, 116891, 156805, 350673, 470415, 584455, 1285801, 1753365, 3857403, 6429005, 19287015]

約数ペア:

[(1, 19287015), (3, 6429005), (5, 3857403), (11, 1753365), (15, 1285801), (33, 584455), (41, 470415), (55, 350673), (123, 156805), (165, 116891), (205, 94083), (451, 42765), (615, 31361), (1353, 14255), (2255, 8553), (2851, 6765)]