19730460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{659}}^1$

素因数の和:1170

約数の個数: 48

約数和(自身を含む): 55440000

約数和(自身を除く): 35709540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 499, 659, 998, 1318, 1497, 1977, 1996, 2495, 2636, 2994, 3295, 3954, 4990, 5988, 6590, 7485, 7908, 9885, 9980, 13180, 14970, 19770, 29940, 39540, 328841, 657682, 986523, 1315364, 1644205, 1973046, 3288410, 3946092, 4932615, 6576820, 9865230, 19730460]

約数ペア:

[(1, 19730460), (2, 9865230), (3, 6576820), (4, 4932615), (5, 3946092), (6, 3288410), (10, 1973046), (12, 1644205), (15, 1315364), (20, 986523), (30, 657682), (60, 328841), (499, 39540), (659, 29940), (998, 19770), (1318, 14970), (1497, 13180), (1977, 9980), (1996, 9885), (2495, 7908), (2636, 7485), (2994, 6590), (3295, 5988), (3954, 4990)]