19955142483

素因数分解:

$3^1\times {\mathrm{19}}^4\times {\mathrm{43}}^1\times {\mathrm{1187}}^1$

素因数の和:1309

約数の個数: 40

約数和(自身を含む): 28762354368

約数和(自身を除く): 8807211885

約数列:

[1, 3, 19, 43, 57, 129, 361, 817, 1083, 1187, 2451, 3561, 6859, 15523, 20577, 22553, 46569, 51041, 67659, 130321, 153123, 294937, 390963, 428507, 884811, 969779, 1285521, 2909337, 5603803, 8141633, 16811409, 18425801, 24424899, 55277403, 154691027, 350090219, 464073081, 1050270657, 6651714161, 19955142483]

約数ペア:

[(1, 19955142483), (3, 6651714161), (19, 1050270657), (43, 464073081), (57, 350090219), (129, 154691027), (361, 55277403), (817, 24424899), (1083, 18425801), (1187, 16811409), (2451, 8141633), (3561, 5603803), (6859, 2909337), (15523, 1285521), (20577, 969779), (22553, 884811), (46569, 428507), (51041, 390963), (67659, 294937), (130321, 153123)]