19913526

素因数分解:

$2^1\times 3^4\times {\mathrm{83}}^1\times {\mathrm{1481}}^1$

素因数の和:1578

約数の個数: 40

約数和(自身を含む): 45189144

約数和(自身を除く): 25275618

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 83, 162, 166, 249, 498, 747, 1481, 1494, 2241, 2962, 4443, 4482, 6723, 8886, 13329, 13446, 26658, 39987, 79974, 119961, 122923, 239922, 245846, 368769, 737538, 1106307, 2212614, 3318921, 6637842, 9956763, 19913526]

約数ペア:

[(1, 19913526), (2, 9956763), (3, 6637842), (6, 3318921), (9, 2212614), (18, 1106307), (27, 737538), (54, 368769), (81, 245846), (83, 239922), (162, 122923), (166, 119961), (249, 79974), (498, 39987), (747, 26658), (1481, 13446), (1494, 13329), (2241, 8886), (2962, 6723), (4443, 4482)]