19857262040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{207973}}^1$

素因数の和:208033

約数の個数: 128

約数和(自身を含む): 57500651520

約数和(自身を除く): 37643389480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 88, 110, 124, 140, 154, 155, 217, 220, 248, 280, 308, 310, 341, 385, 434, 440, 616, 620, 682, 770, 868, 1085, 1240, 1364, 1540, 1705, 1736, 2170, 2387, 2728, 3080, 3410, 4340, 4774, 6820, 8680, 9548, 11935, 13640, 19096, 23870, 47740, 95480, 207973, 415946, 831892, 1039865, 1455811, 1663784, 2079730, 2287703, 2911622, 4159460, 4575406, 5823244, 6447163, 7279055, 8318920, 9150812, 11438515, 11646488, 12894326, 14558110, 16013921, 18301624, 22877030, 25788652, 29116220, 32027842, 32235815, 45130141, 45754060, 51577304, 58232440, 64055684, 64471630, 70918793, 80069605, 90260282, 91508120, 128111368, 128943260, 141837586, 160139210, 180520564, 225650705, 257886520, 283675172, 320278420, 354593965, 361041128, 451301410, 496431551, 567350344, 640556840, 709187930, 902602820, 992863102, 1418375860, 1805205640, 1985726204, 2482157755, 2836751720, 3971452408, 4964315510, 9928631020, 19857262040]

約数ペア:

[(1, 19857262040), (2, 9928631020), (4, 4964315510), (5, 3971452408), (7, 2836751720), (8, 2482157755), (10, 1985726204), (11, 1805205640), (14, 1418375860), (20, 992863102), (22, 902602820), (28, 709187930), (31, 640556840), (35, 567350344), (40, 496431551), (44, 451301410), (55, 361041128), (56, 354593965), (62, 320278420), (70, 283675172), (77, 257886520), (88, 225650705), (110, 180520564), (124, 160139210), (140, 141837586), (154, 128943260), (155, 128111368), (217, 91508120), (220, 90260282), (248, 80069605), (280, 70918793), (308, 64471630), (310, 64055684), (341, 58232440), (385, 51577304), (434, 45754060), (440, 45130141), (616, 32235815), (620, 32027842), (682, 29116220), (770, 25788652), (868, 22877030), (1085, 18301624), (1240, 16013921), (1364, 14558110), (1540, 12894326), (1705, 11646488), (1736, 11438515), (2170, 9150812), (2387, 8318920), (2728, 7279055), (3080, 6447163), (3410, 5823244), (4340, 4575406), (4774, 4159460), (6820, 2911622), (8680, 2287703), (9548, 2079730), (11935, 1663784), (13640, 1455811), (19096, 1039865), (23870, 831892), (47740, 415946), (95480, 207973)]