19870944

素因数分解:

$2^5\times 3^1\times {\mathrm{449}}^1\times {\mathrm{461}}^1$

素因数の和:923

約数の個数: 48

約数和(自身を含む): 52390800

約数和(自身を除く): 32519856

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 449, 461, 898, 922, 1347, 1383, 1796, 1844, 2694, 2766, 3592, 3688, 5388, 5532, 7184, 7376, 10776, 11064, 14368, 14752, 21552, 22128, 43104, 44256, 206989, 413978, 620967, 827956, 1241934, 1655912, 2483868, 3311824, 4967736, 6623648, 9935472, 19870944]

約数ペア:

[(1, 19870944), (2, 9935472), (3, 6623648), (4, 4967736), (6, 3311824), (8, 2483868), (12, 1655912), (16, 1241934), (24, 827956), (32, 620967), (48, 413978), (96, 206989), (449, 44256), (461, 43104), (898, 22128), (922, 21552), (1347, 14752), (1383, 14368), (1796, 11064), (1844, 10776), (2694, 7376), (2766, 7184), (3592, 5532), (3688, 5388)]