20189324

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1259}}^1$

素因数の和:1493

約数の個数: 24

約数和(自身を含む): 37396800

約数和(自身を除く): 17207476

約数列:

[1, 2, 4, 19, 38, 76, 211, 422, 844, 1259, 2518, 4009, 5036, 8018, 16036, 23921, 47842, 95684, 265649, 531298, 1062596, 5047331, 10094662, 20189324]

約数ペア:

[(1, 20189324), (2, 10094662), (4, 5047331), (19, 1062596), (38, 531298), (76, 265649), (211, 95684), (422, 47842), (844, 23921), (1259, 16036), (2518, 8018), (4009, 5036)]