18668940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7589}}^1$

素因数の和:7642

約数の個数: 48

約数和(自身を含む): 53555040

約数和(自身を除く): 34886100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 7589, 15178, 22767, 30356, 37945, 45534, 75890, 91068, 113835, 151780, 227670, 311149, 455340, 622298, 933447, 1244596, 1555745, 1866894, 3111490, 3733788, 4667235, 6222980, 9334470, 18668940]

約数ペア:

[(1, 18668940), (2, 9334470), (3, 6222980), (4, 4667235), (5, 3733788), (6, 3111490), (10, 1866894), (12, 1555745), (15, 1244596), (20, 933447), (30, 622298), (41, 455340), (60, 311149), (82, 227670), (123, 151780), (164, 113835), (205, 91068), (246, 75890), (410, 45534), (492, 37945), (615, 30356), (820, 22767), (1230, 15178), (2460, 7589)]