18420324

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:357

約数の個数: 72

約数和(自身を含む): 48206592

約数和(自身を除く): 29786268

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 169, 186, 293, 338, 372, 403, 507, 586, 676, 806, 879, 1014, 1172, 1209, 1612, 1758, 2028, 2418, 3516, 3809, 4836, 5239, 7618, 9083, 10478, 11427, 15236, 15717, 18166, 20956, 22854, 27249, 31434, 36332, 45708, 49517, 54498, 62868, 99034, 108996, 118079, 148551, 198068, 236158, 297102, 354237, 472316, 594204, 708474, 1416948, 1535027, 3070054, 4605081, 6140108, 9210162, 18420324]

約数ペア:

[(1, 18420324), (2, 9210162), (3, 6140108), (4, 4605081), (6, 3070054), (12, 1535027), (13, 1416948), (26, 708474), (31, 594204), (39, 472316), (52, 354237), (62, 297102), (78, 236158), (93, 198068), (124, 148551), (156, 118079), (169, 108996), (186, 99034), (293, 62868), (338, 54498), (372, 49517), (403, 45708), (507, 36332), (586, 31434), (676, 27249), (806, 22854), (879, 20956), (1014, 18166), (1172, 15717), (1209, 15236), (1612, 11427), (1758, 10478), (2028, 9083), (2418, 7618), (3516, 5239), (3809, 4836)]