19851776

素因数分解:

$2^9\times 7^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:245

約数の個数: 80

約数和(自身を含む): 47139840

約数和(自身を除く): 27288064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 128, 191, 203, 224, 232, 256, 382, 406, 448, 464, 512, 764, 812, 896, 928, 1337, 1528, 1624, 1792, 1856, 2674, 3056, 3248, 3584, 3712, 5348, 5539, 6112, 6496, 7424, 10696, 11078, 12224, 12992, 14848, 21392, 22156, 24448, 25984, 38773, 42784, 44312, 48896, 51968, 77546, 85568, 88624, 97792, 103936, 155092, 171136, 177248, 310184, 342272, 354496, 620368, 684544, 708992, 1240736, 1417984, 2481472, 2835968, 4962944, 9925888, 19851776]

約数ペア:

[(1, 19851776), (2, 9925888), (4, 4962944), (7, 2835968), (8, 2481472), (14, 1417984), (16, 1240736), (28, 708992), (29, 684544), (32, 620368), (56, 354496), (58, 342272), (64, 310184), (112, 177248), (116, 171136), (128, 155092), (191, 103936), (203, 97792), (224, 88624), (232, 85568), (256, 77546), (382, 51968), (406, 48896), (448, 44312), (464, 42784), (512, 38773), (764, 25984), (812, 24448), (896, 22156), (928, 21392), (1337, 14848), (1528, 12992), (1624, 12224), (1792, 11078), (1856, 10696), (2674, 7424), (3056, 6496), (3248, 6112), (3584, 5539), (3712, 5348)]