18915960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{3217}}^1$

素因数の和:3245

約数の個数: 96

約数和(自身を含む): 66033360

約数和(自身を除く): 47117400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 3217, 5880, 6434, 9651, 12868, 16085, 19302, 22519, 25736, 32170, 38604, 45038, 48255, 64340, 67557, 77208, 90076, 96510, 112595, 128680, 135114, 157633, 180152, 193020, 225190, 270228, 315266, 337785, 386040, 450380, 472899, 540456, 630532, 675570, 788165, 900760, 945798, 1261064, 1351140, 1576330, 1891596, 2364495, 2702280, 3152660, 3783192, 4728990, 6305320, 9457980, 18915960]

約数ペア:

[(1, 18915960), (2, 9457980), (3, 6305320), (4, 4728990), (5, 3783192), (6, 3152660), (7, 2702280), (8, 2364495), (10, 1891596), (12, 1576330), (14, 1351140), (15, 1261064), (20, 945798), (21, 900760), (24, 788165), (28, 675570), (30, 630532), (35, 540456), (40, 472899), (42, 450380), (49, 386040), (56, 337785), (60, 315266), (70, 270228), (84, 225190), (98, 193020), (105, 180152), (120, 157633), (140, 135114), (147, 128680), (168, 112595), (196, 96510), (210, 90076), (245, 77208), (280, 67557), (294, 64340), (392, 48255), (420, 45038), (490, 38604), (588, 32170), (735, 25736), (840, 22519), (980, 19302), (1176, 16085), (1470, 12868), (1960, 9651), (2940, 6434), (3217, 5880)]