19871568

素因数分解:

$2^4\times 3^5\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:311

約数の個数: 120

約数和(自身を含む): 60933600

約数和(自身を除く): 41062032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 81, 108, 114, 144, 152, 162, 171, 216, 228, 243, 269, 304, 324, 342, 432, 456, 486, 513, 538, 648, 684, 807, 912, 972, 1026, 1076, 1296, 1368, 1539, 1614, 1944, 2052, 2152, 2421, 2736, 3078, 3228, 3888, 4104, 4304, 4617, 4842, 5111, 6156, 6456, 7263, 8208, 9234, 9684, 10222, 12312, 12912, 14526, 15333, 18468, 19368, 20444, 21789, 24624, 29052, 30666, 36936, 38736, 40888, 43578, 45999, 58104, 61332, 65367, 73872, 81776, 87156, 91998, 116208, 122664, 130734, 137997, 174312, 183996, 245328, 261468, 275994, 348624, 367992, 413991, 522936, 551988, 735984, 827982, 1045872, 1103976, 1241973, 1655964, 2207952, 2483946, 3311928, 4967892, 6623856, 9935784, 19871568]

約数ペア:

[(1, 19871568), (2, 9935784), (3, 6623856), (4, 4967892), (6, 3311928), (8, 2483946), (9, 2207952), (12, 1655964), (16, 1241973), (18, 1103976), (19, 1045872), (24, 827982), (27, 735984), (36, 551988), (38, 522936), (48, 413991), (54, 367992), (57, 348624), (72, 275994), (76, 261468), (81, 245328), (108, 183996), (114, 174312), (144, 137997), (152, 130734), (162, 122664), (171, 116208), (216, 91998), (228, 87156), (243, 81776), (269, 73872), (304, 65367), (324, 61332), (342, 58104), (432, 45999), (456, 43578), (486, 40888), (513, 38736), (538, 36936), (648, 30666), (684, 29052), (807, 24624), (912, 21789), (972, 20444), (1026, 19368), (1076, 18468), (1296, 15333), (1368, 14526), (1539, 12912), (1614, 12312), (1944, 10222), (2052, 9684), (2152, 9234), (2421, 8208), (2736, 7263), (3078, 6456), (3228, 6156), (3888, 5111), (4104, 4842), (4304, 4617)]