18855928

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{439}}^1$

素因数の和:524

約数の個数: 64

約数和(自身を含む): 44352000

約数和(自身を除く): 25496072

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 59, 91, 104, 118, 182, 236, 364, 413, 439, 472, 728, 767, 826, 878, 1534, 1652, 1756, 3068, 3073, 3304, 3512, 5369, 5707, 6136, 6146, 10738, 11414, 12292, 21476, 22828, 24584, 25901, 39949, 42952, 45656, 51802, 79898, 103604, 159796, 181307, 207208, 319592, 336713, 362614, 673426, 725228, 1346852, 1450456, 2356991, 2693704, 4713982, 9427964, 18855928]

約数ペア:

[(1, 18855928), (2, 9427964), (4, 4713982), (7, 2693704), (8, 2356991), (13, 1450456), (14, 1346852), (26, 725228), (28, 673426), (52, 362614), (56, 336713), (59, 319592), (91, 207208), (104, 181307), (118, 159796), (182, 103604), (236, 79898), (364, 51802), (413, 45656), (439, 42952), (472, 39949), (728, 25901), (767, 24584), (826, 22828), (878, 21476), (1534, 12292), (1652, 11414), (1756, 10738), (3068, 6146), (3073, 6136), (3304, 5707), (3512, 5369)]