19802019984

素因数分解:

$2^4\times 3^1\times {\mathrm{487}}^1\times {\mathrm{847109}}^1$

素因数の和:847607

約数の個数: 40

約数和(自身を含む): 51260320320

約数和(自身を除く): 31458300336

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 487, 974, 1461, 1948, 2922, 3896, 5844, 7792, 11688, 23376, 847109, 1694218, 2541327, 3388436, 5082654, 6776872, 10165308, 13553744, 20330616, 40661232, 412542083, 825084166, 1237626249, 1650168332, 2475252498, 3300336664, 4950504996, 6600673328, 9901009992, 19802019984]

約数ペア:

[(1, 19802019984), (2, 9901009992), (3, 6600673328), (4, 4950504996), (6, 3300336664), (8, 2475252498), (12, 1650168332), (16, 1237626249), (24, 825084166), (48, 412542083), (487, 40661232), (974, 20330616), (1461, 13553744), (1948, 10165308), (2922, 6776872), (3896, 5082654), (5844, 3388436), (7792, 2541327), (11688, 1694218), (23376, 847109)]