19479350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:461

約数の個数: 48

約数和(自身を含む): 40015296

約数和(自身を除く): 20535946

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 107, 110, 214, 275, 331, 535, 550, 662, 1070, 1177, 1655, 2354, 2675, 3310, 3641, 5350, 5885, 7282, 8275, 11770, 16550, 18205, 29425, 35417, 36410, 58850, 70834, 91025, 177085, 182050, 354170, 389587, 779174, 885425, 1770850, 1947935, 3895870, 9739675, 19479350]

約数ペア:

[(1, 19479350), (2, 9739675), (5, 3895870), (10, 1947935), (11, 1770850), (22, 885425), (25, 779174), (50, 389587), (55, 354170), (107, 182050), (110, 177085), (214, 91025), (275, 70834), (331, 58850), (535, 36410), (550, 35417), (662, 29425), (1070, 18205), (1177, 16550), (1655, 11770), (2354, 8275), (2675, 7282), (3310, 5885), (3641, 5350)]