18542820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1553}}^1$

素因数の和:1764

約数の個数: 48

約数和(自身を含む): 52214400

約数和(自身を除く): 33671580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 199, 398, 597, 796, 995, 1194, 1553, 1990, 2388, 2985, 3106, 3980, 4659, 5970, 6212, 7765, 9318, 11940, 15530, 18636, 23295, 31060, 46590, 93180, 309047, 618094, 927141, 1236188, 1545235, 1854282, 3090470, 3708564, 4635705, 6180940, 9271410, 18542820]

約数ペア:

[(1, 18542820), (2, 9271410), (3, 6180940), (4, 4635705), (5, 3708564), (6, 3090470), (10, 1854282), (12, 1545235), (15, 1236188), (20, 927141), (30, 618094), (60, 309047), (199, 93180), (398, 46590), (597, 31060), (796, 23295), (995, 18636), (1194, 15530), (1553, 11940), (1990, 9318), (2388, 7765), (2985, 6212), (3106, 5970), (3980, 4659)]