18512172

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:588

約数の個数: 96

約数和(自身を含む): 56125440

約数和(自身を除く): 37613268

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 47, 54, 63, 84, 94, 108, 126, 141, 188, 189, 252, 282, 329, 378, 423, 521, 564, 658, 756, 846, 987, 1042, 1269, 1316, 1563, 1692, 1974, 2084, 2538, 2961, 3126, 3647, 3948, 4689, 5076, 5922, 6252, 7294, 8883, 9378, 10941, 11844, 14067, 14588, 17766, 18756, 21882, 24487, 28134, 32823, 35532, 43764, 48974, 56268, 65646, 73461, 97948, 98469, 131292, 146922, 171409, 196938, 220383, 293844, 342818, 393876, 440766, 514227, 661149, 685636, 881532, 1028454, 1322298, 1542681, 2056908, 2644596, 3085362, 4628043, 6170724, 9256086, 18512172]

約数ペア:

[(1, 18512172), (2, 9256086), (3, 6170724), (4, 4628043), (6, 3085362), (7, 2644596), (9, 2056908), (12, 1542681), (14, 1322298), (18, 1028454), (21, 881532), (27, 685636), (28, 661149), (36, 514227), (42, 440766), (47, 393876), (54, 342818), (63, 293844), (84, 220383), (94, 196938), (108, 171409), (126, 146922), (141, 131292), (188, 98469), (189, 97948), (252, 73461), (282, 65646), (329, 56268), (378, 48974), (423, 43764), (521, 35532), (564, 32823), (658, 28134), (756, 24487), (846, 21882), (987, 18756), (1042, 17766), (1269, 14588), (1316, 14067), (1563, 11844), (1692, 10941), (1974, 9378), (2084, 8883), (2538, 7294), (2961, 6252), (3126, 5922), (3647, 5076), (3948, 4689)]