19698900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{5051}}^1$

素因数の和:5081

約数の個数: 72

約数和(自身を含む): 61391904

約数和(自身を除く): 41693004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 5051, 10102, 15153, 20204, 25255, 30306, 50510, 60612, 65663, 75765, 101020, 126275, 131326, 151530, 196989, 252550, 262652, 303060, 328315, 378825, 393978, 505100, 656630, 757650, 787956, 984945, 1313260, 1515300, 1641575, 1969890, 3283150, 3939780, 4924725, 6566300, 9849450, 19698900]

約数ペア:

[(1, 19698900), (2, 9849450), (3, 6566300), (4, 4924725), (5, 3939780), (6, 3283150), (10, 1969890), (12, 1641575), (13, 1515300), (15, 1313260), (20, 984945), (25, 787956), (26, 757650), (30, 656630), (39, 505100), (50, 393978), (52, 378825), (60, 328315), (65, 303060), (75, 262652), (78, 252550), (100, 196989), (130, 151530), (150, 131326), (156, 126275), (195, 101020), (260, 75765), (300, 65663), (325, 60612), (390, 50510), (650, 30306), (780, 25255), (975, 20204), (1300, 15153), (1950, 10102), (3900, 5051)]