19890198

素因数分解:

$2^1\times 3^4\times {\mathrm{59}}^1\times {\mathrm{2081}}^1$

素因数の和:2154

約数の個数: 40

約数和(自身を含む): 45345960

約数和(自身を除く): 25455762

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 59, 81, 118, 162, 177, 354, 531, 1062, 1593, 2081, 3186, 4162, 4779, 6243, 9558, 12486, 18729, 37458, 56187, 112374, 122779, 168561, 245558, 337122, 368337, 736674, 1105011, 2210022, 3315033, 6630066, 9945099, 19890198]

約数ペア:

[(1, 19890198), (2, 9945099), (3, 6630066), (6, 3315033), (9, 2210022), (18, 1105011), (27, 736674), (54, 368337), (59, 337122), (81, 245558), (118, 168561), (162, 122779), (177, 112374), (354, 56187), (531, 37458), (1062, 18729), (1593, 12486), (2081, 9558), (3186, 6243), (4162, 4779)]