19693380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{46889}}^1$

素因数の和:46908

約数の個数: 48

約数和(自身を含む): 63020160

約数和(自身を除く): 43326780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 46889, 93778, 140667, 187556, 234445, 281334, 328223, 468890, 562668, 656446, 703335, 937780, 984669, 1312892, 1406670, 1641115, 1969338, 2813340, 3282230, 3938676, 4923345, 6564460, 9846690, 19693380]

約数ペア:

[(1, 19693380), (2, 9846690), (3, 6564460), (4, 4923345), (5, 3938676), (6, 3282230), (7, 2813340), (10, 1969338), (12, 1641115), (14, 1406670), (15, 1312892), (20, 984669), (21, 937780), (28, 703335), (30, 656446), (35, 562668), (42, 468890), (60, 328223), (70, 281334), (84, 234445), (105, 187556), (140, 140667), (210, 93778), (420, 46889)]