19300476

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 50502144

約数和(自身を除く): 31201668

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 169, 186, 307, 338, 372, 403, 507, 614, 676, 806, 921, 1014, 1209, 1228, 1612, 1842, 2028, 2418, 3684, 3991, 4836, 5239, 7982, 9517, 10478, 11973, 15717, 15964, 19034, 20956, 23946, 28551, 31434, 38068, 47892, 51883, 57102, 62868, 103766, 114204, 123721, 155649, 207532, 247442, 311298, 371163, 494884, 622596, 742326, 1484652, 1608373, 3216746, 4825119, 6433492, 9650238, 19300476]

約数ペア:

[(1, 19300476), (2, 9650238), (3, 6433492), (4, 4825119), (6, 3216746), (12, 1608373), (13, 1484652), (26, 742326), (31, 622596), (39, 494884), (52, 371163), (62, 311298), (78, 247442), (93, 207532), (124, 155649), (156, 123721), (169, 114204), (186, 103766), (307, 62868), (338, 57102), (372, 51883), (403, 47892), (507, 38068), (614, 31434), (676, 28551), (806, 23946), (921, 20956), (1014, 19034), (1209, 15964), (1228, 15717), (1612, 11973), (1842, 10478), (2028, 9517), (2418, 7982), (3684, 5239), (3991, 4836)]