19485480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23197}}^1$

素因数の和:23218

約数の個数: 64

約数和(自身を含む): 66810240

約数和(自身を除く): 47324760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 23197, 46394, 69591, 92788, 115985, 139182, 162379, 185576, 231970, 278364, 324758, 347955, 463940, 487137, 556728, 649516, 695910, 811895, 927880, 974274, 1299032, 1391820, 1623790, 1948548, 2435685, 2783640, 3247580, 3897096, 4871370, 6495160, 9742740, 19485480]

約数ペア:

[(1, 19485480), (2, 9742740), (3, 6495160), (4, 4871370), (5, 3897096), (6, 3247580), (7, 2783640), (8, 2435685), (10, 1948548), (12, 1623790), (14, 1391820), (15, 1299032), (20, 974274), (21, 927880), (24, 811895), (28, 695910), (30, 649516), (35, 556728), (40, 487137), (42, 463940), (56, 347955), (60, 324758), (70, 278364), (84, 231970), (105, 185576), (120, 162379), (140, 139182), (168, 115985), (210, 92788), (280, 69591), (420, 46394), (840, 23197)]