19825680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11801}}^1$

素因数の和:11824

約数の個数: 80

約数和(自身を含む): 70245504

約数和(自身を除く): 50419824

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11801, 23602, 35403, 47204, 59005, 70806, 82607, 94408, 118010, 141612, 165214, 177015, 188816, 236020, 247821, 283224, 330428, 354030, 413035, 472040, 495642, 566448, 660856, 708060, 826070, 944080, 991284, 1239105, 1321712, 1416120, 1652140, 1982568, 2478210, 2832240, 3304280, 3965136, 4956420, 6608560, 9912840, 19825680]

約数ペア:

[(1, 19825680), (2, 9912840), (3, 6608560), (4, 4956420), (5, 3965136), (6, 3304280), (7, 2832240), (8, 2478210), (10, 1982568), (12, 1652140), (14, 1416120), (15, 1321712), (16, 1239105), (20, 991284), (21, 944080), (24, 826070), (28, 708060), (30, 660856), (35, 566448), (40, 495642), (42, 472040), (48, 413035), (56, 354030), (60, 330428), (70, 283224), (80, 247821), (84, 236020), (105, 188816), (112, 177015), (120, 165214), (140, 141612), (168, 118010), (210, 94408), (240, 82607), (280, 70806), (336, 59005), (420, 47204), (560, 35403), (840, 23602), (1680, 11801)]