19845984

素因数分解:

$2^5\times 3^1\times {\mathrm{61}}^1\times {\mathrm{3389}}^1$

素因数の和:3463

約数の個数: 48

約数和(自身を含む): 52965360

約数和(自身を除く): 33119376

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 96, 122, 183, 244, 366, 488, 732, 976, 1464, 1952, 2928, 3389, 5856, 6778, 10167, 13556, 20334, 27112, 40668, 54224, 81336, 108448, 162672, 206729, 325344, 413458, 620187, 826916, 1240374, 1653832, 2480748, 3307664, 4961496, 6615328, 9922992, 19845984]

約数ペア:

[(1, 19845984), (2, 9922992), (3, 6615328), (4, 4961496), (6, 3307664), (8, 2480748), (12, 1653832), (16, 1240374), (24, 826916), (32, 620187), (48, 413458), (61, 325344), (96, 206729), (122, 162672), (183, 108448), (244, 81336), (366, 54224), (488, 40668), (732, 27112), (976, 20334), (1464, 13556), (1952, 10167), (2928, 6778), (3389, 5856)]