18537876

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:171

約数の個数: 144

約数和(自身を含む): 58222080

約数和(自身を除く): 39684204

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 49, 54, 62, 63, 84, 93, 98, 108, 113, 124, 126, 147, 186, 189, 196, 217, 226, 252, 279, 294, 339, 372, 378, 434, 441, 452, 558, 588, 651, 678, 756, 791, 837, 868, 882, 1017, 1116, 1302, 1323, 1356, 1519, 1582, 1674, 1764, 1953, 2034, 2373, 2604, 2646, 3038, 3051, 3164, 3348, 3503, 3906, 4068, 4557, 4746, 5292, 5537, 5859, 6076, 6102, 7006, 7119, 7812, 9114, 9492, 10509, 11074, 11718, 12204, 13671, 14012, 14238, 16611, 18228, 21018, 21357, 22148, 23436, 24521, 27342, 28476, 31527, 33222, 41013, 42036, 42714, 49042, 49833, 54684, 63054, 66444, 73563, 82026, 85428, 94581, 98084, 99666, 126108, 147126, 149499, 164052, 171647, 189162, 199332, 220689, 294252, 298998, 343294, 378324, 441378, 514941, 597996, 662067, 686588, 882756, 1029882, 1324134, 1544823, 2059764, 2648268, 3089646, 4634469, 6179292, 9268938, 18537876]

約数ペア:

[(1, 18537876), (2, 9268938), (3, 6179292), (4, 4634469), (6, 3089646), (7, 2648268), (9, 2059764), (12, 1544823), (14, 1324134), (18, 1029882), (21, 882756), (27, 686588), (28, 662067), (31, 597996), (36, 514941), (42, 441378), (49, 378324), (54, 343294), (62, 298998), (63, 294252), (84, 220689), (93, 199332), (98, 189162), (108, 171647), (113, 164052), (124, 149499), (126, 147126), (147, 126108), (186, 99666), (189, 98084), (196, 94581), (217, 85428), (226, 82026), (252, 73563), (279, 66444), (294, 63054), (339, 54684), (372, 49833), (378, 49042), (434, 42714), (441, 42036), (452, 41013), (558, 33222), (588, 31527), (651, 28476), (678, 27342), (756, 24521), (791, 23436), (837, 22148), (868, 21357), (882, 21018), (1017, 18228), (1116, 16611), (1302, 14238), (1323, 14012), (1356, 13671), (1519, 12204), (1582, 11718), (1674, 11074), (1764, 10509), (1953, 9492), (2034, 9114), (2373, 7812), (2604, 7119), (2646, 7006), (3038, 6102), (3051, 6076), (3164, 5859), (3348, 5537), (3503, 5292), (3906, 4746), (4068, 4557)]