19782852

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{313}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 48531840

約数和(自身を除く): 28748988

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 229, 276, 313, 458, 626, 687, 916, 939, 1252, 1374, 1878, 2748, 3756, 5267, 7199, 10534, 14398, 15801, 21068, 21597, 28796, 31602, 43194, 63204, 71677, 86388, 143354, 215031, 286708, 430062, 860124, 1648571, 3297142, 4945713, 6594284, 9891426, 19782852]

約数ペア:

[(1, 19782852), (2, 9891426), (3, 6594284), (4, 4945713), (6, 3297142), (12, 1648571), (23, 860124), (46, 430062), (69, 286708), (92, 215031), (138, 143354), (229, 86388), (276, 71677), (313, 63204), (458, 43194), (626, 31602), (687, 28796), (916, 21597), (939, 21068), (1252, 15801), (1374, 14398), (1878, 10534), (2748, 7199), (3756, 5267)]