18690588

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 58216704

約数和(自身を除く): 39526116

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 41, 42, 54, 63, 67, 81, 82, 84, 108, 123, 126, 134, 162, 164, 189, 201, 243, 246, 252, 268, 287, 324, 369, 378, 402, 469, 486, 492, 567, 574, 603, 738, 756, 804, 861, 938, 972, 1107, 1134, 1148, 1206, 1407, 1476, 1701, 1722, 1809, 1876, 2214, 2268, 2412, 2583, 2747, 2814, 3321, 3402, 3444, 3618, 4221, 4428, 5166, 5427, 5494, 5628, 6642, 6804, 7236, 7749, 8241, 8442, 9963, 10332, 10854, 10988, 12663, 13284, 15498, 16281, 16482, 16884, 19229, 19926, 21708, 23247, 24723, 25326, 30996, 32562, 32964, 37989, 38458, 39852, 46494, 49446, 50652, 57687, 65124, 69741, 74169, 75978, 76916, 92988, 98892, 113967, 115374, 139482, 148338, 151956, 173061, 222507, 227934, 230748, 278964, 296676, 346122, 445014, 455868, 519183, 667521, 692244, 890028, 1038366, 1335042, 1557549, 2076732, 2670084, 3115098, 4672647, 6230196, 9345294, 18690588]

約数ペア:

[(1, 18690588), (2, 9345294), (3, 6230196), (4, 4672647), (6, 3115098), (7, 2670084), (9, 2076732), (12, 1557549), (14, 1335042), (18, 1038366), (21, 890028), (27, 692244), (28, 667521), (36, 519183), (41, 455868), (42, 445014), (54, 346122), (63, 296676), (67, 278964), (81, 230748), (82, 227934), (84, 222507), (108, 173061), (123, 151956), (126, 148338), (134, 139482), (162, 115374), (164, 113967), (189, 98892), (201, 92988), (243, 76916), (246, 75978), (252, 74169), (268, 69741), (287, 65124), (324, 57687), (369, 50652), (378, 49446), (402, 46494), (469, 39852), (486, 38458), (492, 37989), (567, 32964), (574, 32562), (603, 30996), (738, 25326), (756, 24723), (804, 23247), (861, 21708), (938, 19926), (972, 19229), (1107, 16884), (1134, 16482), (1148, 16281), (1206, 15498), (1407, 13284), (1476, 12663), (1701, 10988), (1722, 10854), (1809, 10332), (1876, 9963), (2214, 8442), (2268, 8241), (2412, 7749), (2583, 7236), (2747, 6804), (2814, 6642), (3321, 5628), (3402, 5494), (3444, 5427), (3618, 5166), (4221, 4428)]