19348925

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:533

約数の個数: 24

約数和(自身を含む): 25206720

約数和(自身を除く): 5857795

約数列:

[1, 5, 25, 41, 43, 205, 215, 439, 1025, 1075, 1763, 2195, 8815, 10975, 17999, 18877, 44075, 89995, 94385, 449975, 471925, 773957, 3869785, 19348925]

約数ペア:

[(1, 19348925), (5, 3869785), (25, 773957), (41, 471925), (43, 449975), (205, 94385), (215, 89995), (439, 44075), (1025, 18877), (1075, 17999), (1763, 10975), (2195, 8815)]