19547488

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 40388544

約数和(自身を除く): 20841056

約数列:

[1, 2, 4, 8, 16, 32, 41, 47, 82, 94, 164, 188, 317, 328, 376, 634, 656, 752, 1268, 1312, 1504, 1927, 2536, 3854, 5072, 7708, 10144, 12997, 14899, 15416, 25994, 29798, 30832, 51988, 59596, 61664, 103976, 119192, 207952, 238384, 415904, 476768, 610859, 1221718, 2443436, 4886872, 9773744, 19547488]

約数ペア:

[(1, 19547488), (2, 9773744), (4, 4886872), (8, 2443436), (16, 1221718), (32, 610859), (41, 476768), (47, 415904), (82, 238384), (94, 207952), (164, 119192), (188, 103976), (317, 61664), (328, 59596), (376, 51988), (634, 30832), (656, 29798), (752, 25994), (1268, 15416), (1312, 14899), (1504, 12997), (1927, 10144), (2536, 7708), (3854, 5072)]