19005777639

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{288767}}^1$

素因数の和:288947

約数の個数: 24

約数和(自身を含む): 28109832192

約数和(自身を除く): 9104054553

約数列:

[1, 3, 9, 71, 103, 213, 309, 639, 927, 7313, 21939, 65817, 288767, 866301, 2598903, 20502457, 29743001, 61507371, 89229003, 184522113, 267687009, 2111753071, 6335259213, 19005777639]

約数ペア:

[(1, 19005777639), (3, 6335259213), (9, 2111753071), (71, 267687009), (103, 184522113), (213, 89229003), (309, 61507371), (639, 29743001), (927, 20502457), (7313, 2598903), (21939, 866301), (65817, 288767)]