19505324

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 39352320

約数和(自身を除く): 19846996

約数列:

[1, 2, 4, 17, 19, 31, 34, 38, 62, 68, 76, 124, 323, 487, 527, 589, 646, 974, 1054, 1178, 1292, 1948, 2108, 2356, 8279, 9253, 10013, 15097, 16558, 18506, 20026, 30194, 33116, 37012, 40052, 60388, 157301, 256649, 286843, 314602, 513298, 573686, 629204, 1026596, 1147372, 4876331, 9752662, 19505324]

約数ペア:

[(1, 19505324), (2, 9752662), (4, 4876331), (17, 1147372), (19, 1026596), (31, 629204), (34, 573686), (38, 513298), (62, 314602), (68, 286843), (76, 256649), (124, 157301), (323, 60388), (487, 40052), (527, 37012), (589, 33116), (646, 30194), (974, 20026), (1054, 18506), (1178, 16558), (1292, 15097), (1948, 10013), (2108, 9253), (2356, 8279)]