18634994

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:207

約数の個数: 48

約数和(自身を含む): 34473600

約数和(自身を除く): 15838606

約数列:

[1, 2, 7, 14, 29, 49, 58, 79, 83, 98, 158, 166, 203, 406, 553, 581, 1106, 1162, 1421, 2291, 2407, 2842, 3871, 4067, 4582, 4814, 6557, 7742, 8134, 13114, 16037, 16849, 32074, 33698, 45899, 91798, 112259, 117943, 190153, 224518, 235886, 321293, 380306, 642586, 1331071, 2662142, 9317497, 18634994]

約数ペア:

[(1, 18634994), (2, 9317497), (7, 2662142), (14, 1331071), (29, 642586), (49, 380306), (58, 321293), (79, 235886), (83, 224518), (98, 190153), (158, 117943), (166, 112259), (203, 91798), (406, 45899), (553, 33698), (581, 32074), (1106, 16849), (1162, 16037), (1421, 13114), (2291, 8134), (2407, 7742), (2842, 6557), (3871, 4814), (4067, 4582)]