19913328

素因数分解:

$2^4\times 3^2\times {\mathrm{61}}^1\times {\mathrm{2267}}^1$

素因数の和:2342

約数の個数: 60

約数和(自身を含む): 56668248

約数和(自身を除く): 36754920

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 61, 72, 122, 144, 183, 244, 366, 488, 549, 732, 976, 1098, 1464, 2196, 2267, 2928, 4392, 4534, 6801, 8784, 9068, 13602, 18136, 20403, 27204, 36272, 40806, 54408, 81612, 108816, 138287, 163224, 276574, 326448, 414861, 553148, 829722, 1106296, 1244583, 1659444, 2212592, 2489166, 3318888, 4978332, 6637776, 9956664, 19913328]

約数ペア:

[(1, 19913328), (2, 9956664), (3, 6637776), (4, 4978332), (6, 3318888), (8, 2489166), (9, 2212592), (12, 1659444), (16, 1244583), (18, 1106296), (24, 829722), (36, 553148), (48, 414861), (61, 326448), (72, 276574), (122, 163224), (144, 138287), (183, 108816), (244, 81612), (366, 54408), (488, 40806), (549, 36272), (732, 27204), (976, 20403), (1098, 18136), (1464, 13602), (2196, 9068), (2267, 8784), (2928, 6801), (4392, 4534)]