19864476

素因数分解:

$2^2\times 3^2\times {\mathrm{503}}^1\times {\mathrm{1097}}^1$

素因数の和:1610

約数の個数: 36

約数和(自身を含む): 50358672

約数和(自身を除く): 30494196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 503, 1006, 1097, 1509, 2012, 2194, 3018, 3291, 4388, 4527, 6036, 6582, 9054, 9873, 13164, 18108, 19746, 39492, 551791, 1103582, 1655373, 2207164, 3310746, 4966119, 6621492, 9932238, 19864476]

約数ペア:

[(1, 19864476), (2, 9932238), (3, 6621492), (4, 4966119), (6, 3310746), (9, 2207164), (12, 1655373), (18, 1103582), (36, 551791), (503, 39492), (1006, 19746), (1097, 18108), (1509, 13164), (2012, 9873), (2194, 9054), (3018, 6582), (3291, 6036), (4388, 4527)]