18947100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{461}}^1$

素因数の和:615

約数の個数: 72

約数和(自身を含む): 55340208

約数和(自身を除く): 36393108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 137, 150, 274, 300, 411, 461, 548, 685, 822, 922, 1370, 1383, 1644, 1844, 2055, 2305, 2740, 2766, 3425, 4110, 4610, 5532, 6850, 6915, 8220, 9220, 10275, 11525, 13700, 13830, 20550, 23050, 27660, 34575, 41100, 46100, 63157, 69150, 126314, 138300, 189471, 252628, 315785, 378942, 631570, 757884, 947355, 1263140, 1578925, 1894710, 3157850, 3789420, 4736775, 6315700, 9473550, 18947100]

約数ペア:

[(1, 18947100), (2, 9473550), (3, 6315700), (4, 4736775), (5, 3789420), (6, 3157850), (10, 1894710), (12, 1578925), (15, 1263140), (20, 947355), (25, 757884), (30, 631570), (50, 378942), (60, 315785), (75, 252628), (100, 189471), (137, 138300), (150, 126314), (274, 69150), (300, 63157), (411, 46100), (461, 41100), (548, 34575), (685, 27660), (822, 23050), (922, 20550), (1370, 13830), (1383, 13700), (1644, 11525), (1844, 10275), (2055, 9220), (2305, 8220), (2740, 6915), (2766, 6850), (3425, 5532), (4110, 4610)]