18354780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{953}}^1$

素因数の和:1075

約数の個数: 72

約数和(自身を含む): 56255472

約数和(自身を除く): 37900692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 535, 642, 953, 963, 1070, 1284, 1605, 1906, 1926, 2140, 2859, 3210, 3812, 3852, 4765, 4815, 5718, 6420, 8577, 9530, 9630, 11436, 14295, 17154, 19060, 19260, 28590, 34308, 42885, 57180, 85770, 101971, 171540, 203942, 305913, 407884, 509855, 611826, 917739, 1019710, 1223652, 1529565, 1835478, 2039420, 3059130, 3670956, 4588695, 6118260, 9177390, 18354780]

約数ペア:

[(1, 18354780), (2, 9177390), (3, 6118260), (4, 4588695), (5, 3670956), (6, 3059130), (9, 2039420), (10, 1835478), (12, 1529565), (15, 1223652), (18, 1019710), (20, 917739), (30, 611826), (36, 509855), (45, 407884), (60, 305913), (90, 203942), (107, 171540), (180, 101971), (214, 85770), (321, 57180), (428, 42885), (535, 34308), (642, 28590), (953, 19260), (963, 19060), (1070, 17154), (1284, 14295), (1605, 11436), (1906, 9630), (1926, 9530), (2140, 8577), (2859, 6420), (3210, 5718), (3812, 4815), (3852, 4765)]