19161076

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:157

約数の個数: 48

約数和(自身を含む): 38122560

約数和(自身を除く): 18961484

約数列:

[1, 2, 4, 11, 22, 44, 59, 61, 118, 121, 122, 236, 242, 244, 484, 649, 671, 1298, 1331, 1342, 2596, 2662, 2684, 3599, 5324, 7139, 7198, 7381, 14278, 14396, 14762, 28556, 29524, 39589, 78529, 79178, 81191, 157058, 158356, 162382, 314116, 324764, 435479, 870958, 1741916, 4790269, 9580538, 19161076]

約数ペア:

[(1, 19161076), (2, 9580538), (4, 4790269), (11, 1741916), (22, 870958), (44, 435479), (59, 324764), (61, 314116), (118, 162382), (121, 158356), (122, 157058), (236, 81191), (242, 79178), (244, 78529), (484, 39589), (649, 29524), (671, 28556), (1298, 14762), (1331, 14396), (1342, 14278), (2596, 7381), (2662, 7198), (2684, 7139), (3599, 5324)]