19772816

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3331}}^1$

素因数の和:3399

約数の個数: 40

約数和(自身を含む): 44622144

約数和(自身を除く): 24849328

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 2968, 3331, 5936, 6662, 13324, 23317, 26648, 46634, 53296, 93268, 176543, 186536, 353086, 373072, 706172, 1235801, 1412344, 2471602, 2824688, 4943204, 9886408, 19772816]

約数ペア:

[(1, 19772816), (2, 9886408), (4, 4943204), (7, 2824688), (8, 2471602), (14, 1412344), (16, 1235801), (28, 706172), (53, 373072), (56, 353086), (106, 186536), (112, 176543), (212, 93268), (371, 53296), (424, 46634), (742, 26648), (848, 23317), (1484, 13324), (2968, 6662), (3331, 5936)]