19882200

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2549}}^1$

素因数の和:2581

約数の個数: 96

約数和(自身を含む): 66402000

約数和(自身を除く): 46519800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 130, 150, 156, 195, 200, 260, 300, 312, 325, 390, 520, 600, 650, 780, 975, 1300, 1560, 1950, 2549, 2600, 3900, 5098, 7647, 7800, 10196, 12745, 15294, 20392, 25490, 30588, 33137, 38235, 50980, 61176, 63725, 66274, 76470, 99411, 101960, 127450, 132548, 152940, 165685, 191175, 198822, 254900, 265096, 305880, 331370, 382350, 397644, 497055, 509800, 662740, 764700, 795288, 828425, 994110, 1325480, 1529400, 1656850, 1988220, 2485275, 3313700, 3976440, 4970550, 6627400, 9941100, 19882200]

約数ペア:

[(1, 19882200), (2, 9941100), (3, 6627400), (4, 4970550), (5, 3976440), (6, 3313700), (8, 2485275), (10, 1988220), (12, 1656850), (13, 1529400), (15, 1325480), (20, 994110), (24, 828425), (25, 795288), (26, 764700), (30, 662740), (39, 509800), (40, 497055), (50, 397644), (52, 382350), (60, 331370), (65, 305880), (75, 265096), (78, 254900), (100, 198822), (104, 191175), (120, 165685), (130, 152940), (150, 132548), (156, 127450), (195, 101960), (200, 99411), (260, 76470), (300, 66274), (312, 63725), (325, 61176), (390, 50980), (520, 38235), (600, 33137), (650, 30588), (780, 25490), (975, 20392), (1300, 15294), (1560, 12745), (1950, 10196), (2549, 7800), (2600, 7647), (3900, 5098)]