19204960

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4139}}^1$

素因数の和:4183

約数の個数: 48

約数和(自身を含む): 46947600

約数和(自身を除く): 27742640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4139, 4640, 8278, 16556, 20695, 33112, 41390, 66224, 82780, 120031, 132448, 165560, 240062, 331120, 480124, 600155, 662240, 960248, 1200310, 1920496, 2400620, 3840992, 4801240, 9602480, 19204960]

約数ペア:

[(1, 19204960), (2, 9602480), (4, 4801240), (5, 3840992), (8, 2400620), (10, 1920496), (16, 1200310), (20, 960248), (29, 662240), (32, 600155), (40, 480124), (58, 331120), (80, 240062), (116, 165560), (145, 132448), (160, 120031), (232, 82780), (290, 66224), (464, 41390), (580, 33112), (928, 20695), (1160, 16556), (2320, 8278), (4139, 4640)]