18886633218

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{2801}}^1$

素因数の和:2985

約数の個数: 128

約数和(自身を含む): 45029260800

約数和(自身を除く): 26142627582

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 61, 69, 89, 122, 138, 178, 183, 207, 267, 366, 414, 534, 549, 621, 801, 1098, 1242, 1403, 1602, 1647, 2047, 2403, 2801, 2806, 3294, 4094, 4209, 4806, 5429, 5602, 6141, 8403, 8418, 10858, 12282, 12627, 16287, 16806, 18423, 25209, 25254, 32574, 36846, 37881, 48861, 50418, 55269, 64423, 75627, 75762, 97722, 110538, 124867, 128846, 146583, 151254, 170861, 193269, 249289, 249734, 293166, 341722, 374601, 386538, 498578, 512583, 579807, 747867, 749202, 1025166, 1123803, 1159614, 1495734, 1537749, 1739421, 2243601, 2247606, 3075498, 3371409, 3478842, 3929803, 4487202, 4613247, 5733647, 6730803, 6742818, 7859606, 9226494, 11467294, 11789409, 13461606, 15206629, 17200941, 23578818, 30413258, 34401882, 35368227, 45619887, 51602823, 70736454, 91239774, 103205646, 106104681, 136859661, 154808469, 212209362, 273719322, 309616938, 349752467, 410578983, 699504934, 821157966, 1049257401, 2098514802, 3147772203, 6295544406, 9443316609, 18886633218]

約数ペア:

[(1, 18886633218), (2, 9443316609), (3, 6295544406), (6, 3147772203), (9, 2098514802), (18, 1049257401), (23, 821157966), (27, 699504934), (46, 410578983), (54, 349752467), (61, 309616938), (69, 273719322), (89, 212209362), (122, 154808469), (138, 136859661), (178, 106104681), (183, 103205646), (207, 91239774), (267, 70736454), (366, 51602823), (414, 45619887), (534, 35368227), (549, 34401882), (621, 30413258), (801, 23578818), (1098, 17200941), (1242, 15206629), (1403, 13461606), (1602, 11789409), (1647, 11467294), (2047, 9226494), (2403, 7859606), (2801, 6742818), (2806, 6730803), (3294, 5733647), (4094, 4613247), (4209, 4487202), (4806, 3929803), (5429, 3478842), (5602, 3371409), (6141, 3075498), (8403, 2247606), (8418, 2243601), (10858, 1739421), (12282, 1537749), (12627, 1495734), (16287, 1159614), (16806, 1123803), (18423, 1025166), (25209, 749202), (25254, 747867), (32574, 579807), (36846, 512583), (37881, 498578), (48861, 386538), (50418, 374601), (55269, 341722), (64423, 293166), (75627, 249734), (75762, 249289), (97722, 193269), (110538, 170861), (124867, 151254), (128846, 146583)]