18939339984

素因数分解:

$2^4\times 3^1\times {\mathrm{317}}^1\times {\mathrm{1244699}}^1$

素因数の和:1245027

約数の個数: 40

約数和(自身を含む): 49081010400

約数和(自身を除く): 30141670416

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 317, 634, 951, 1268, 1902, 2536, 3804, 5072, 7608, 15216, 1244699, 2489398, 3734097, 4978796, 7468194, 9957592, 14936388, 19915184, 29872776, 59745552, 394569583, 789139166, 1183708749, 1578278332, 2367417498, 3156556664, 4734834996, 6313113328, 9469669992, 18939339984]

約数ペア:

[(1, 18939339984), (2, 9469669992), (3, 6313113328), (4, 4734834996), (6, 3156556664), (8, 2367417498), (12, 1578278332), (16, 1183708749), (24, 789139166), (48, 394569583), (317, 59745552), (634, 29872776), (951, 19915184), (1268, 14936388), (1902, 9957592), (2536, 7468194), (3804, 4978796), (5072, 3734097), (7608, 2489398), (15216, 1244699)]