19342518

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 43760640

約数和(自身を除く): 24418122

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 73, 78, 79, 86, 129, 146, 158, 219, 237, 258, 438, 474, 559, 949, 1027, 1118, 1677, 1898, 2054, 2847, 3081, 3139, 3354, 3397, 5694, 5767, 6162, 6278, 6794, 9417, 10191, 11534, 17301, 18834, 20382, 34602, 40807, 44161, 74971, 81614, 88322, 122421, 132483, 149942, 224913, 244842, 247981, 264966, 449826, 495962, 743943, 1487886, 3223753, 6447506, 9671259, 19342518]

約数ペア:

[(1, 19342518), (2, 9671259), (3, 6447506), (6, 3223753), (13, 1487886), (26, 743943), (39, 495962), (43, 449826), (73, 264966), (78, 247981), (79, 244842), (86, 224913), (129, 149942), (146, 132483), (158, 122421), (219, 88322), (237, 81614), (258, 74971), (438, 44161), (474, 40807), (559, 34602), (949, 20382), (1027, 18834), (1118, 17301), (1677, 11534), (1898, 10191), (2054, 9417), (2847, 6794), (3081, 6278), (3139, 6162), (3354, 5767), (3397, 5694)]