19983000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{6661}}^1$

素因数の和:6685

約数の個数: 64

約数和(自身を含む): 62356320

約数和(自身を除く): 42373320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 750, 1000, 1500, 3000, 6661, 13322, 19983, 26644, 33305, 39966, 53288, 66610, 79932, 99915, 133220, 159864, 166525, 199830, 266440, 333050, 399660, 499575, 666100, 799320, 832625, 999150, 1332200, 1665250, 1998300, 2497875, 3330500, 3996600, 4995750, 6661000, 9991500, 19983000]

約数ペア:

[(1, 19983000), (2, 9991500), (3, 6661000), (4, 4995750), (5, 3996600), (6, 3330500), (8, 2497875), (10, 1998300), (12, 1665250), (15, 1332200), (20, 999150), (24, 832625), (25, 799320), (30, 666100), (40, 499575), (50, 399660), (60, 333050), (75, 266440), (100, 199830), (120, 166525), (125, 159864), (150, 133220), (200, 99915), (250, 79932), (300, 66610), (375, 53288), (500, 39966), (600, 33305), (750, 26644), (1000, 19983), (1500, 13322), (3000, 6661)]