19780003344

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{743}}^1\times {\mathrm{17891}}^1$

素因数の和:18676

約数の個数: 80

約数和(自身を含む): 52820619264

約数和(自身を除く): 33040615920

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 743, 744, 1486, 1488, 2229, 2972, 4458, 5944, 8916, 11888, 17832, 17891, 23033, 35664, 35782, 46066, 53673, 69099, 71564, 92132, 107346, 138198, 143128, 184264, 214692, 276396, 286256, 368528, 429384, 552792, 554621, 858768, 1105584, 1109242, 1663863, 2218484, 3327726, 4436968, 6655452, 8873936, 13293013, 13310904, 26586026, 26621808, 39879039, 53172052, 79758078, 106344104, 159516156, 212688208, 319032312, 412083403, 638064624, 824166806, 1236250209, 1648333612, 2472500418, 3296667224, 4945000836, 6593334448, 9890001672, 19780003344]

約数ペア:

[(1, 19780003344), (2, 9890001672), (3, 6593334448), (4, 4945000836), (6, 3296667224), (8, 2472500418), (12, 1648333612), (16, 1236250209), (24, 824166806), (31, 638064624), (48, 412083403), (62, 319032312), (93, 212688208), (124, 159516156), (186, 106344104), (248, 79758078), (372, 53172052), (496, 39879039), (743, 26621808), (744, 26586026), (1486, 13310904), (1488, 13293013), (2229, 8873936), (2972, 6655452), (4458, 4436968), (5944, 3327726), (8916, 2218484), (11888, 1663863), (17832, 1109242), (17891, 1105584), (23033, 858768), (35664, 554621), (35782, 552792), (46066, 429384), (53673, 368528), (69099, 286256), (71564, 276396), (92132, 214692), (107346, 184264), (138198, 143128)]