19910264

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{13309}}^1$

素因数の和:13343

約数の個数: 32

約数和(自身を含む): 43124400

約数和(自身を除く): 23214136

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 13309, 26618, 53236, 106472, 146399, 226253, 292798, 452506, 585596, 905012, 1171192, 1810024, 2488783, 4977566, 9955132, 19910264]

約数ペア:

[(1, 19910264), (2, 9955132), (4, 4977566), (8, 2488783), (11, 1810024), (17, 1171192), (22, 905012), (34, 585596), (44, 452506), (68, 292798), (88, 226253), (136, 146399), (187, 106472), (374, 53236), (748, 26618), (1496, 13309)]