18781794

素因数分解:

$2^1\times 3^4\times {\mathrm{191}}^1\times {\mathrm{607}}^1$

素因数の和:812

約数の個数: 40

約数和(自身を含む): 42375168

約数和(自身を除く): 23593374

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 191, 382, 573, 607, 1146, 1214, 1719, 1821, 3438, 3642, 5157, 5463, 10314, 10926, 15471, 16389, 30942, 32778, 49167, 98334, 115937, 231874, 347811, 695622, 1043433, 2086866, 3130299, 6260598, 9390897, 18781794]

約数ペア:

[(1, 18781794), (2, 9390897), (3, 6260598), (6, 3130299), (9, 2086866), (18, 1043433), (27, 695622), (54, 347811), (81, 231874), (162, 115937), (191, 98334), (382, 49167), (573, 32778), (607, 30942), (1146, 16389), (1214, 15471), (1719, 10926), (1821, 10314), (3438, 5463), (3642, 5157)]