18872056

素因数分解:

$2^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1553}}^1$

素因数の和:1604

約数の個数: 48

約数和(自身を含む): 42517440

約数和(自身を除く): 23645384

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 217, 248, 392, 434, 868, 1519, 1553, 1736, 3038, 3106, 6076, 6212, 10871, 12152, 12424, 21742, 43484, 48143, 76097, 86968, 96286, 152194, 192572, 304388, 337001, 385144, 608776, 674002, 1348004, 2359007, 2696008, 4718014, 9436028, 18872056]

約数ペア:

[(1, 18872056), (2, 9436028), (4, 4718014), (7, 2696008), (8, 2359007), (14, 1348004), (28, 674002), (31, 608776), (49, 385144), (56, 337001), (62, 304388), (98, 192572), (124, 152194), (196, 96286), (217, 86968), (248, 76097), (392, 48143), (434, 43484), (868, 21742), (1519, 12424), (1553, 12152), (1736, 10871), (3038, 6212), (3106, 6076)]