18941880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6863}}^1$

素因数の和:6900

約数の個数: 64

約数和(自身を含む): 59304960

約数和(自身を除く): 40363080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 6863, 13726, 20589, 27452, 34315, 41178, 54904, 68630, 82356, 102945, 137260, 157849, 164712, 205890, 274520, 315698, 411780, 473547, 631396, 789245, 823560, 947094, 1262792, 1578490, 1894188, 2367735, 3156980, 3788376, 4735470, 6313960, 9470940, 18941880]

約数ペア:

[(1, 18941880), (2, 9470940), (3, 6313960), (4, 4735470), (5, 3788376), (6, 3156980), (8, 2367735), (10, 1894188), (12, 1578490), (15, 1262792), (20, 947094), (23, 823560), (24, 789245), (30, 631396), (40, 473547), (46, 411780), (60, 315698), (69, 274520), (92, 205890), (115, 164712), (120, 157849), (138, 137260), (184, 102945), (230, 82356), (276, 68630), (345, 54904), (460, 41178), (552, 34315), (690, 27452), (920, 20589), (1380, 13726), (2760, 6863)]