19399626

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{997}}^1$

素因数の和:1075

約数の個数: 48

約数和(自身を含む): 44838144

約数和(自身を除く): 25438518

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 47, 69, 94, 138, 141, 207, 282, 414, 423, 846, 997, 1081, 1994, 2162, 2991, 3243, 5982, 6486, 8973, 9729, 17946, 19458, 22931, 45862, 46859, 68793, 93718, 137586, 140577, 206379, 281154, 412758, 421731, 843462, 1077757, 2155514, 3233271, 6466542, 9699813, 19399626]

約数ペア:

[(1, 19399626), (2, 9699813), (3, 6466542), (6, 3233271), (9, 2155514), (18, 1077757), (23, 843462), (46, 421731), (47, 412758), (69, 281154), (94, 206379), (138, 140577), (141, 137586), (207, 93718), (282, 68793), (414, 46859), (423, 45862), (846, 22931), (997, 19458), (1081, 17946), (1994, 9729), (2162, 8973), (2991, 6486), (3243, 5982)]