18744404

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{743}}^1$

素因数の和:824

約数の個数: 48

約数和(自身を含む): 40497408

約数和(自身を除く): 21753004

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 53, 68, 106, 119, 212, 238, 371, 476, 742, 743, 901, 1484, 1486, 1802, 2972, 3604, 5201, 6307, 10402, 12614, 12631, 20804, 25228, 25262, 39379, 50524, 78758, 88417, 157516, 176834, 275653, 353668, 551306, 669443, 1102612, 1338886, 2677772, 4686101, 9372202, 18744404]

約数ペア:

[(1, 18744404), (2, 9372202), (4, 4686101), (7, 2677772), (14, 1338886), (17, 1102612), (28, 669443), (34, 551306), (53, 353668), (68, 275653), (106, 176834), (119, 157516), (212, 88417), (238, 78758), (371, 50524), (476, 39379), (742, 25262), (743, 25228), (901, 20804), (1484, 12631), (1486, 12614), (1802, 10402), (2972, 6307), (3604, 5201)]